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Error thrown: [object XMLHttpRequest] Text status: parsererror

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Hopefully someone can help, before i smash my computer to bits !


im using and up until now thing have been working just fine.


I added some new prices to products in my back office, but now when i try to add a product to the basket i get this error


TECHNICAL ERROR: unable to add the product.



Error thrown: [object XMLHttpRequest]

Text status: parsererror


The product actually gets added to the cart. But it displays that error and doesnt show the item floating to the cart as normal.


If i turn of the Ajax cart in the cart module, the error clears.


I have read all the possible solutions on the forum for this error, and I have tried the resolutions given but its still the same. I contacted my host and asked them about mb_split and mbstring, and they say its already installed.


Everything was wokring great until today :( was hopefully going live next week, now I am not too sure...


Url is




Any help much apprectiated.



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mb_split is part of mbstring PHP extension, which is installed on all our servers:



[email protected] [~]# php -i|grep mbstring

Configure Command => './configure' '--enable-bcmath' '--enable-calendar' '--enable-exif' '--enable-ftp' '--enable-gd-native-ttf' '--enable-libxml' '--enable-magic-quotes' '--enable-mbstring' '--enable-pdo=shared' '--enable-soap' '--enable-sockets' '--enable-wddx' '--enable-zip' '--prefix=/usr/local' '--with-apxs2=/usr/local/apache/bin/apxs' '--with-bz2' '--with-curl=/opt/curlssl/' '--with-curlwrappers' '--with-freetype-dir=/usr' '--with-gd' '--with-gettext' '--with-imap=/opt/php_with_imap_client/' '--with-imap-ssl=/usr' '--with-jpeg-dir=/usr' '--with-kerberos' '--with-libdir=lib64' '--with-libexpat-dir=/usr' '--with-libxml-dir=/opt/xml2' '--with-libxml-dir=/opt/xml2/' '--with-mcrypt=/opt/libmcrypt/' '--with-mhash=/opt/mhash/' '--with-mime-magic' '--with-mm=/opt/mm/' '--with-mysql=/usr' '--with-mysql-sock=/var/lib/mysql/mysql.sock' '--with-mysqli=/usr/bin/mysql_config' '--with-openssl=/usr' '--with-openssl-dir=/usr' '--with-pcre-regex=/opt/pcre' '--with-pdo-mysql=shared' '--with-pdo-sqlite=shared' '--with-pic' '--with-png-dir=/usr' '--with-pspell' '--with-sqlite=shared' '--with-ttf' '--with-xmlrpc' '--with-xpm-dir=/usr' '--with-xsl=/opt/xslt/' '--with-zlib' '--with-zlib-dir=/usr'


mbstring extension makes use of "streamable kanji code filter and converter", which is distributed under the GNU Lesser General Public License version 2.1.

mbstring.detect_order => no value => no value

mbstring.encoding_translation => Off => Off

mbstring.func_overload => 0 => 0

mbstring.http_input => pass => pass

mbstring.http_output => pass => pass

mbstring.internal_encoding => no value => no value

mbstring.language => neutral => neutral

mbstring.strict_detection => Off => Off

mbstring.substitute_character => no value => no value

this is the reply they sent earlier, I will send them a message about mbstring and see what they say. Why would it be working before now if this module wasnt installed ?

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Hi Gavin,

My mistake, I didn't see the mbstring part of your post, but please let me know what your hosts respond to that message. In the meantime though, have you made any changes over the last couple days before this error appeared? And can you please post your URL so that I can look into this for you?



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Thanks for taking the time to help.


www.thinksupplies.co.uk is the url, I can give u access to any of the files if needed.


The only change i have made, was to increase the size of the editorial image on the home page, and today I chaged some code on line 41 of blockcart-json.tpl to


"attributes": "{$product.attributes_small|replace:'"':'\"'}", but this was after the error had occured and it was advised on another post that this line could have been the problem, although it looked the same as the code to replace it :(

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If you go to the homepage and click on `hp 22` and try to add it to the cart i get this message....


TECHNICAL ERROR: unable to add the product.



Error thrown: [object XMLHttpRequest]

Text status: parsererror


I phoned a friend and asked him to try it, he said he managed to add 1 product, then he too got the same error when adding other products.

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Thanks for having a look Mike, I will do that now. I have been advised by someone else this could be the issue...


Probably your server is missing the PHP mbstring module - ask your host

to add it for you.

It must be configured mbstring.func_overload to 7


At current it looks to be


mbstring.func_overload => 0 => 0

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Hi Mike, I tried changing it to `7` and removing the `;` at the start of the line, when i do this it removes

the error that was appearing, but i am unable to log into my back office, and although the product `floats` over to the cart box, it

doesnt actually show in the cart. Is there anything else I would need to change ?;;;;;;;;;;;



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safe_mode_include_dir =


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disable_classes =


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;highlight.string = #DD0000

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expose_php = On




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display_errors = On


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variables_order = "EGPCS"


; Whether or not to register the EGPCS variables as global variables. You may

; want to turn this off if you don't want to clutter your scripts' global scope

; with user data. This makes most sense when coupled with track_vars - in which

; case you can access all of the GPC variables through the $HTTP_*_VARS[],

; variables.


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; register_globals to be on; Using form variables as globals can easily lead

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register_globals = Off


; This directive tells PHP whether to declare the argv&argc variables (that

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; should turn it off for increased performance.

register_argc_argv = On


; Maximum size of POST data that PHP will accept.

post_max_size = 8M


; This directive is deprecated. Use variables_order instead.

gpc_order = "GPC"


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; Magic quotes for incoming GET/POST/Cookie data.

magic_quotes_gpc = On


; Magic quotes for runtime-generated data, e.g. data from SQL, from exec(), etc.

magic_quotes_runtime = Off


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magic_quotes_sybase = Off


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auto_prepend_file =

auto_append_file =


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; the Content-type: header. To disable sending of the charset, simply

; set it to be empty.


; PHP's built-in default is text/html

default_mimetype = "text/html"

;default_charset = "iso-8859-1"


; Always populate the $HTTP_RAW_POST_DATA variable.

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; see documentation for security issues. The alternate is to use the

; cgi.force_redirect configuration below

doc_root =


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user_dir =


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extension_dir = "/usr/local/lib/php/extensions/no-debug-non-zts-20060613"




; Whether or not to enable the dl() function. The dl() function does NOT work

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enable_dl = On


; cgi.force_redirect is necessary to provide security running PHP as a CGI under

; most web servers. Left undefined, PHP turns this on by default. You can

; turn it off here AT YOUR OWN RISK

; **You CAN safely turn this off for IIS, in fact, you MUST.**

; cgi.force_redirect = 1


; if cgi.nph is enabled it will force cgi to always sent Status: 200 with

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; cgi.nph = 1


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; (iPlanet) web servers, you MAY need to set an environment variable name that PHP

; will look for to know it is OK to continue execution. Setting this variable MAY

; cause security issues, KNOW WHAT YOU ARE DOING FIRST.

; cgi.redirect_status_env = ;


; cgi.fix_pathinfo provides *real* PATH_INFO/PATH_TRANSLATED support for CGI. PHP's

; previous behaviour was to set PATH_TRANSLATED to SCRIPT_FILENAME, and to not grok

; what PATH_INFO is. For more information on PATH_INFO, see the cgi specs. Setting

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; of zero causes PHP to behave as before. Default is zero. You should fix your scripts


; cgi.fix_pathinfo=0


; FastCGI under IIS (on WINNT based OS) supports the ability to impersonate

; security tokens of the calling client. This allows IIS to define the

; security context that the request runs under. mod_fastcgi under Apache

; does not currently support this feature (03/17/2002)

; Set to 1 if running under IIS. Default is zero.

; fastcgi.impersonate = 1;


; cgi.rfc2616_headers configuration option tells PHP what type of headers to

; use when sending HTTP response code. If it's set 0 PHP sends Status: header that

; is supported by Apache. When this option is set to 1 PHP will send

; RFC2616 compliant header.

; Default is zero.

;cgi.rfc2616_headers = 0




; File Uploads ;



; Whether to allow HTTP file uploads.

file_uploads = On


; Temporary directory for HTTP uploaded files (will use system default if not

; specified).

;upload_tmp_dir =


; Maximum allowed size for uploaded files.

upload_max_filesize = 2M




; Fopen wrappers ;



; Whether to allow the treatment of URLs (like http:// or ftp://) as files.

allow_url_fopen = On


; Define the anonymous ftp password (your email address)

;from="[email protected]"


; Define the User-Agent string

; user_agent="PHP"


; Default timeout for socket based streams (seconds)

default_socket_timeout = 60


; If your scripts have to deal with files from Macintosh systems,

; or you are running on a Mac and need to deal with files from

; unix or win32 systems, setting this flag will cause PHP to

; automatically detect the EOL character in those files so that

; fgets() and file() will work regardless of the source of the file.

; auto_detect_line_endings = Off




; Dynamic Extensions ;



; If you wish to have an extension loaded automatically, use the following

; syntax:


; extension=modulename.extension


; For example, on Windows:


; extension=msql.dll


; ... or under UNIX:


; extension=msql.so


; Note that it should be the name of the module only; no directory information

; needs to go here. Specify the location of the extension with the

; extension_dir directive above.



;Windows Extensions

;Note that MySQL and ODBC support is now built in, so no dll is needed for it.

















































; Module Settings ;




; Whether or not to define the various syslog variables (e.g. $LOG_PID,

; $LOG_CRON, etc.). Turning it off is a good idea performance-wise. In

; runtime, you can define these variables by calling define_syslog_variables().

define_syslog_variables = Off


[mail function]

; For Win32 only.

;SMTP = localhost

smtp_port = 25


; For Win32 only.

;sendmail_from = [email protected]


; For Unix only. You may supply arguments as well (default: "sendmail -t -i").

sendmail_path = "/usr/sbin/sendmail -t -i"



;java.class.path = .\php_java.jar

;java.home = c:\jdk

;java.library = c:\jdk\jre\bin\hotspot\jvm.dll

;java.library.path = .\


sql.safe_mode = Off



;odbc.default_db = Not yet implemented

;odbc.default_user = Not yet implemented

;odbc.default_pw = Not yet implemented


; Allow or prevent persistent links.

odbc.allow_persistent = On


; Check that a connection is still valid before reuse.

odbc.check_persistent = On


; Maximum number of persistent links. -1 means no limit.

odbc.max_persistent = -1


; Maximum number of links (persistent + non-persistent). -1 means no limit.

odbc.max_links = -1


; Handling of LONG fields. Returns number of bytes to variables. 0 means

; passthru.

odbc.defaultlrl = 4096


; Handling of binary data. 0 means passthru, 1 return as is, 2 convert to char.

; See the documentation on odbc_binmode and odbc_longreadlen for an explanation

; of uodbc.defaultlrl and uodbc.defaultbinmode

odbc.defaultbinmode = 1



; Allow or prevent persistent links.

mysql.allow_persistent = On


; Maximum number of persistent links. -1 means no limit.

mysql.max_persistent = -1


; Maximum number of links (persistent + non-persistent). -1 means no limit.

mysql.max_links = -1


; Default port number for mysql_connect(). If unset, mysql_connect() will use

; the $MYSQL_TCP_PORT or the mysql-tcp entry in /etc/services or the

; compile-time value defined MYSQL_PORT (in that order). Win32 will only look


mysql.default_port =


; Default socket name for local MySQL connects. If empty, uses the built-in

; MySQL defaults.

mysql.default_socket =


; Default host for mysql_connect() (doesn't apply in safe mode).

mysql.default_host =


; Default user for mysql_connect() (doesn't apply in safe mode).

mysql.default_user =


; Default password for mysql_connect() (doesn't apply in safe mode).

; Note that this is generally a *bad* idea to store passwords in this file.

; *Any* user with PHP access can run 'echo get_cfg_var("mysql.default_password")

; and reveal this password! And of course, any users with read access to this

; file will be able to reveal the password as well.

mysql.default_password =


; Maximum time (in seconds) for connect timeout. -1 means no limit

mysql.connect_timeout = 60


; Trace mode. When trace_mode is active (=On), warnings for table/index scans and

; SQL-Errors will be displayed.

mysql.trace_mode = Off



; Allow or prevent persistent links.

msql.allow_persistent = On


; Maximum number of persistent links. -1 means no limit.

msql.max_persistent = -1


; Maximum number of links (persistent+non persistent). -1 means no limit.

msql.max_links = -1



; Allow or prevent persistent links.

pgsql.allow_persistent = On


; Detect broken persistent links always with pg_pconnect(). Need a little overhead.

pgsql.auto_reset_persistent = Off


; Maximum number of persistent links. -1 means no limit.

pgsql.max_persistent = -1


; Maximum number of links (persistent+non persistent). -1 means no limit.

pgsql.max_links = -1


; Ignore PostgreSQL backends Notice message or not.

pgsql.ignore_notice = 0


; Log PostgreSQL backends Noitce message or not.

; Unless pgsql.ignore_notice=0, module cannot log notice message.

pgsql.log_notice = 0



; Allow or prevent persistent links.

sybase.allow_persistent = On


; Maximum number of persistent links. -1 means no limit.

sybase.max_persistent = -1


; Maximum number of links (persistent + non-persistent). -1 means no limit.

sybase.max_links = -1


;sybase.interface_file = "/usr/sybase/interfaces"


; Minimum error severity to display.

sybase.min_error_severity = 10


; Minimum message severity to display.

sybase.min_message_severity = 10


; Compatability mode with old versions of PHP 3.0.

; If on, this will cause PHP to automatically assign types to results according

; to their Sybase type, instead of treating them all as strings. This

; compatibility mode will probably not stay around forever, so try applying

; whatever necessary changes to your code, and turn it off.

sybase.compatability_mode = Off



; Allow or prevent persistent links.

sybct.allow_persistent = On


; Maximum number of persistent links. -1 means no limit.

sybct.max_persistent = -1


; Maximum number of links (persistent + non-persistent). -1 means no limit.

sybct.max_links = -1


; Minimum server message severity to display.

sybct.min_server_severity = 10


; Minimum client message severity to display.

sybct.min_client_severity = 10



; returned column names can be converted for compatibility reasons

; possible values for dbx.colnames_case are

; "unchanged" (default, if not set)

; "lowercase"

; "uppercase"

; the recommended default is either upper- or lowercase, but

; unchanged is currently set for backwards compatibility

dbx.colnames_case = "unchanged"



; Number of decimal digits for all bcmath functions.

bcmath.scale = 0



;browscap = extra/browscap.ini



; Default host for ifx_connect() (doesn't apply in safe mode).

ifx.default_host =


; Default user for ifx_connect() (doesn't apply in safe mode).

ifx.default_user =


; Default password for ifx_connect() (doesn't apply in safe mode).

ifx.default_password =


; Allow or prevent persistent links.

ifx.allow_persistent = On


; Maximum number of persistent links. -1 means no limit.

ifx.max_persistent = -1


; Maximum number of links (persistent + non-persistent). -1 means no limit.

ifx.max_links = -1


; If on, select statements return the contents of a text blob instead of its id.

ifx.textasvarchar = 0


; If on, select statements return the contents of a byte blob instead of its id.

ifx.byteasvarchar = 0


; Trailing blanks are stripped from fixed-length char columns. May help the

; life of Informix SE users.

ifx.charasvarchar = 0


; If on, the contents of text and byte blobs are dumped to a file instead of

; keeping them in memory.

ifx.blobinfile = 0


; NULL's are returned as empty strings, unless this is set to 1. In that case,

; NULL's are returned as string 'NULL'.

ifx.nullformat = 0



; Handler used to store/retrieve data.

session.save_handler = files


; Argument passed to save_handler. In the case of files, this is the path

; where data files are stored. Note: Windows users have to change this

; variable in order to use PHP's session functions.

; As of PHP 4.0.1, you can define the path as: session.save_path = "N;/path"

; where N is an integer. Instead of storing all the session files in

; /path, what this will do is use subdirectories N-levels deep, and

; store the session data in those directories. This is useful if you

; or your OS have problems with lots of files in one directory, and is

; a more efficient layout for servers that handle lots of sessions.

; NOTE 1: PHP will not create this directory structure automatically.

; You can use the script in the ext/session dir for that purpose.

; NOTE 2: See the section on garbage collection below if you choose to

; use subdirectories for session storage


session.save_path = /tmp


; Whether to use cookies.

session.use_cookies = 1


; This option enables administrators to make their users invulnerable to

; attacks which involve passing session ids in URLs; defaults to 0.

; session.use_only_cookies = 1


; Name of the session (used as cookie name).

session.name = PHPSESSID


; Initialize session on request startup.

session.auto_start = 0


; Lifetime in seconds of cookie or, if 0, until browser is restarted.

session.cookie_lifetime = 0


; The path for which the cookie is valid.

session.cookie_path = /


; The domain for which the cookie is valid.

session.cookie_domain =


; Handler used to serialize data. php is the standard serializer of PHP.

session.serialize_handler = php


; Define the probability that the 'garbage collection' process is started

; on every session initialization.

; The probability is calculated by using gc_probability/gc_divisor,

; e.g. 1/100 means there is a 1% chance that the GC process starts

; on each request.


session.gc_probability = 1

session.gc_divisor = 100


; After this number of seconds, stored data will be seen as 'garbage' and

; cleaned up by the garbage collection process.

session.gc_maxlifetime = 1440


; NOTE: If you are using the subdirectory option for storing session files

; (see session.save_path above), then garbage collection does *not*

; happen automatically. You will need to do your own garbage

; collection through a shell script, cron entry, or some other method.

; For example, the following script would is the equivalent of

; setting session.gc_maxlifetime to 1440 (1440 seconds = 24 minutes):

; cd /path/to/sessions; find -cmin +24 | xargs rm


; PHP 4.2 and less have an undocumented feature/bug that allows you to

; to initialize a session variable in the global scope, albeit register_globals

; is disabled. PHP 4.3 and later will warn you, if this feature is used.

; You can disable the feature and the warning separately. At this time,

; the warning is only displayed, if bug_compat_42 is enabled.


session.bug_compat_42 = 1

session.bug_compat_warn = 1


; Check HTTP Referer to invalidate externally stored URLs containing ids.

; HTTP_REFERER has to contain this substring for the session to be

; considered as valid.

session.referer_check =


; How many bytes to read from the file.

session.entropy_length = 0


; Specified here to create the session id.

session.entropy_file =


;session.entropy_length = 16


;session.entropy_file = /dev/urandom


; Set to {nocache,private,public,} to determine HTTP caching aspects

; or leave this empty to avoid sending anti-caching headers.

session.cache_limiter = nocache


; Document expires after n minutes.

session.cache_expire = 180


; trans sid support is disabled by default.

; Use of trans sid may risk your users security.

; Use this option with caution.

; - User may send URL contains active session ID

; to other person via. email/irc/etc.

; - URL that contains active session ID may be stored

; in publically accessible computer.

; - User may access your site with the same session ID

; always using URL stored in browser's history or bookmarks.

session.use_trans_sid = 0


; The URL rewriter will look for URLs in a defined set of HTML tags.

; form/fieldset are special; if you include them here, the rewriter will

; add a hidden <input> field with the info which is otherwise appended

; to URLs. If you want XHTML conformity, remove the form entry.

; Note that all valid entries require a "=", even if no value follows.

url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=,fieldset="



; Allow or prevent persistent links.

mssql.allow_persistent = On


; Maximum number of persistent links. -1 means no limit.

mssql.max_persistent = -1


; Maximum number of links (persistent+non persistent). -1 means no limit.

mssql.max_links = -1


; Minimum error severity to display.

mssql.min_error_severity = 10


; Minimum message severity to display.

mssql.min_message_severity = 10


; Compatability mode with old versions of PHP 3.0.

mssql.compatability_mode = Off


; Connect timeout

;mssql.connect_timeout = 5


; Query timeout

;mssql.timeout = 60


; Valid range 0 - 2147483647. Default = 4096.

;mssql.textlimit = 4096


; Valid range 0 - 2147483647. Default = 4096.

;mssql.textsize = 4096


; Limits the number of records in each batch. 0 = all records in one batch.

;mssql.batchsize = 0


; Specify how datetime and datetim4 columns are returned

; On => Returns data converted to SQL server settings

; Off => Returns values as YYYY-MM-DD hh:mm:ss

;mssql.datetimeconvert = On


; Use NT authentication when connecting to the server

mssql.secure_connection = Off


; Specify max number of processes. Default = 25

;mssql.max_procs = 25



; Assert(expr); active by default.

;assert.active = On


; Issue a PHP warning for each failed assertion.

;assert.warning = On


; Don't bail out by default.

;assert.bail = Off


; User-function to be called if an assertion fails.

;assert.callback = 0


; Eval the expression with current error_reporting(). Set to true if you want

; error_reporting(0) around the eval().

;assert.quiet_eval = 0


[ingres II]

; Allow or prevent persistent links.

ingres.allow_persistent = On


; Maximum number of persistent links. -1 means no limit.

ingres.max_persistent = -1


; Maximum number of links, including persistents. -1 means no limit.

ingres.max_links = -1


; Default database (format: [node_id::]dbname[/srv_class]).

ingres.default_database =


; Default user.

ingres.default_user =


; Default password.

ingres.default_password =


[Verisign Payflow Pro]

; Default Payflow Pro server.

pfpro.defaulthost = "test-payflow.verisign.com"


; Default port to connect to.

pfpro.defaultport = 443


; Default timeout in seconds.

pfpro.defaulttimeout = 30


; Default proxy IP address (if required).

;pfpro.proxyaddress =


; Default proxy port.

;pfpro.proxyport =


; Default proxy logon.

;pfpro.proxylogon =


; Default proxy password.

;pfpro.proxypassword =



; path to a file containing GUIDs, IIDs or filenames of files with TypeLibs

;com.typelib_file =

; allow Distributed-COM calls

;com.allow_dcom = true

; autoregister constants of a components typlib on com_load()

;com.autoregister_typelib = true

; register constants casesensitive

;com.autoregister_casesensitive = false

; show warnings on duplicate constat registrations

;com.autoregister_verbose = true



;printer.default_printer = ""



; language for internal character representation.

;mbstring.language = Japanese


; internal/script encoding.

; Some encoding cannot work as internal encoding.

; (e.g. SJIS, BIG5, ISO-2022-*)

;mbstring.internal_encoding = EUC-JP


; http input encoding.

;mbstring.http_input = auto


; http output encoding. mb_output_handler must be

; registered as output buffer to function

;mbstring.http_output = SJIS


; enable automatic encoding translation accoding to

; mbstring.internal_encoding setting. Input chars are

; converted to internal encoding by setting this to On.

; Note: Do _not_ use automatic encoding translation for

; portable libs/applications.

;mbstring.encoding_translation = Off


; automatic encoding detection order.

; auto means

;mbstring.detect_order = auto


; substitute_character used when character cannot be converted

; one from another

;mbstring.substitute_character = none;


; overload(replace) single byte functions by mbstring functions.

; mail(), ereg(), etc are overloaded by mb_send_mail(), mb_ereg(),

; etc. Possible values are 0,1,2,4 or combination of them.

; For example, 7 for overload everything.

; 0: No overload

; 1: Overload mail() function

; 2: Overload str*() functions

; 4: Overload ereg*() functions

mbstring.func_overload = 7



;fbsql.allow_persistent = On

;fbsql.autocommit = On

;fbsql.default_database =

;fbsql.default_database_password =

;fbsql.default_host =

;fbsql.default_password =

;fbsql.default_user = "_SYSTEM"

;fbsql.generate_warnings = Off

;fbsql.max_connections = 128

;fbsql.max_links = 128

;fbsql.max_persistent = -1

;fbsql.max_results = 128

;fbsql.batchSize = 1000



; Modify the setting below to match the directory location of the cracklib

; dictionary files. Include the base filename, but not the file extension.

; crack.default_dictionary = "c:\php\lib\cracklib_dict"



; Exif UNICODE user comments are handled as UCS-2BE/UCS-2LE and JIS as JIS.

; With mbstring support this will automatically be converted into the encoding

; given by corresponding encode setting. When empty mbstring.internal_encoding

; is used. For the decode settings you can distinguish between motorola and

; intel byte order. A decode setting cannot be empty.

;exif.encode_unicode = ISO-8859-15

;exif.decode_unicode_motorola = UCS-2BE

;exif.decode_unicode_intel = UCS-2LE

;exif.encode_jis =

;exif.decode_jis_motorola = JIS

;exif.decode_jis_intel = JIS


; Local Variables:

; tab-width: 4

; End:









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The best thing would be to debug this and find out what the actual error is (instead of guessing).


I have posted an example on how to debug the ajax call, so it will return the full string that the server returns (which is likely to show the error)


You can see it at http://www.prestashop.com/forums/topic/118800-technical-error-unable-to-add-to-cart/page__view__findpost__p__606750

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i have edited the code as show in your other post toberg and also turned show errors on in config file.


I still get the same message popping up, but no additional javascript box.


TECHNICAL ERROR: unable to add the product.



Error thrown: [object XMLHttpRequest]

Text status: parsererror


I have firebug installed, will it display the errors in there ?


I can find the following in firebug, although i am not sure if they relate to this error (newbie :( )


Use of attributes' nodeName attribute is deprecated. Use name instead.


Use of attributes' nodeValue attribute is deprecated. Use value instead.


Use of getAttributeNodeNS() is deprecated. Use getAttributeNS() instead.




Also, I download IE and tried the site on there, as I normally use firefox. It seams to work fine with IE....


any help is very much appreciated.



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Thanks, I have just been doing a bit of futher testing.


It appears that it was only one product that was causing the problem in firefox, although IE seamed to handle it.


The product in question Hp 22, it had an additional feature of `ink volume` this is the only thing that was different from any other product i have. There was no defined value added for it.


I have deleted that product and now I can add and delete products from the cart with no issues, I think previously I had always clicked on that product first and any futher products would then show the same error.


I will do some more testing with more products see if the error re-appears.


Is it safe to leave the changed code in cart and config files ? or should I now revert it back ?


Any ideas if this would have caused the issue ??


All the best



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Hello here is error that shows.



"products": [{

"id": 23,

"link": "http://xxx.xxx/product.php?id_product=23",

"quantity": 5,

"priceByLine": "49,85 €",

"name": "Vinyl",

"price": "49,85 €",

"idCombination": 0,

"hasAttributes": false,

"hasCustomizedDatas": false,








"discounts": [ ],


"shippingCost": "5,00 €",

"wrappingCost": "0,00 €",

"nbTotalProducts": "5",

"total": "54,85 €",

"productTotal": "49,85 €",


"hasError" : false




Hope someone can help me.. Thanks

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That looks correct (no errors).

You may not have changed the code in the right place, if you revert do you still get the same error?

Can you post a link to the product page and the exact steps to reproduce the issue

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