Error while migrating shop to local server: multiple headers and override

[Antoine H.]

Hi,

I'm quite new to prestashop development and am trying to migrate the shop I'm working on to a local environment. I have been encounting errors I have not yet managed to get around. I'll start with a few informations regarding the shop:

Version: 1.6.1.4

PHP Version: 5.6 (we're planning on moving on to PHP 7)

I had previously managed to make the shop work in a MAMP environment, but this time there are errors I can't manage to work around. Before showing you the error messages, I'll write the steps I've followed, based on the errors I've already fixed and what I found on internet:

- dumped our database and files

- setup MAMP and changed the PHP version its runing to 5.x

- modified config/settings.inc.php (file), ps_shop_url (table) and ps_configuration (table) to use the correct localhost adress. Also turned dev mode on in config/defines.inc.php

- desactivated APC cache and redid all steps above, as it created an error and is apparently not recommended. Also deleted cache.

 

Now, when I'm trying to acces the local shop, I get these errors:

Strict Standards: Declaration of Tools::generateHtaccess() should be compatible with ToolsCore::generateHtaccess($path = NULL, $rewrite_settings = NULL, $cache_control = NULL, $specific = '', $disable_multiviews = NULL, $medias = false, $disable_modsec = NULL) in /Applications/MAMP/htdocs/akammakcom/override/classes/Tools.php on line 216

Strict Standards: Declaration of Link::getCMSCategoryLink() should be compatible with LinkCore::getCMSCategoryLink($cms_category, $alias = NULL, $id_lang = NULL, $id_shop = NULL, $relative_protocol = false) in /Applications/MAMP/htdocs/akammakcom/override/classes/Link.php on line 70

Strict Standards: Declaration of Link::getCMSLink() should be compatible with LinkCore::getCMSLink($cms, $alias = NULL, $ssl = NULL, $id_lang = NULL, $id_shop = NULL, $relative_protocol = false) in /Applications/MAMP/htdocs/akammakcom/override/classes/Link.php on line 70

Strict Standards: Declaration of Link::getManufacturerLink() should be compatible with LinkCore::getManufacturerLink($manufacturer, $alias = NULL, $id_lang = NULL, $id_shop = NULL, $relative_protocol = false) in /Applications/MAMP/htdocs/akammakcom/override/classes/Link.php on line 70

Warning: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/akammakcom/override/classes/Tools.php:216) in /Applications/MAMP/htdocs/akammakcom/classes/controller/FrontController.php on line 845

Warning: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/akammakcom/override/classes/Tools.php:216) in /Applications/MAMP/htdocs/akammakcom/classes/controller/FrontController.php on line 846

Warning: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/akammakcom/override/classes/Tools.php:216) in /Applications/MAMP/htdocs/akammakcom/classes/Tools.php on line 241

So there seems to be two types of errors from what I understand and what I've looked up: variable definition and sending multiple header. The page only displays these errors and inspecting it shows no header though.

 

Any help on figuring out what's going on would be apreciated. I can upload the content of the overriden files if necessary. I would also like to add that all files are from the live version, that works fine.