Errors when admin language changed

[admin@iksi]

By default shops language is English, but when I change to Russian (request by client ) then go to products catalog and enter a product there is an error

Tab : Associations (500)

 and in error log 

[02-Oct-2015 06:14:58 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[02-Oct-2015 06:14:58 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

 

why there is a such error and how to prevent it?

[musicmaster]

See https://www.prestashop.com/forums/topic/304717-error-in-smartyfrontconfigincphp/

[admin@iksi]

See https://www.prestashop.com/forums/topic/304717-error-in-smartyfrontconfigincphp/

didnt help ater few refreshes even though it doesnt change the file back ti still shows the error

[admin@iksi]

and now there are blank pages in front office from time to time and error log shows this:

 

[05-Oct-2015 17:07:08 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:07:38 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:07:41 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:07:43 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:07:44 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:07:48 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:07:48 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[05-Oct-2015 17:07:53 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:07:53 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[05-Oct-2015 17:07:58 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:07:58 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:07:58 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[05-Oct-2015 17:08:04 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:08:04 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[05-Oct-2015 17:08:04 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:08:17 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:08:19 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:08:19 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[05-Oct-2015 17:08:21 Europe/Tallinn] PHP Fatal error:  Uncaught exception 'PrestaShopException' with message 'Property Customer->siret is not valid' in /home/bstyle/public_html/amitrip/classes/ObjectModel.php:909

Stack trace:

#0 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(246): ObjectModelCore->validateFields()

#1 /home/bstyle/public_html/amitrip/classes/ObjectModel.php(652): ObjectModelCore->getFields()

#2 /home/bstyle/public_html/amitrip/classes/Customer.php(253): ObjectModelCore->update(true)

#3 /home/bstyle/public_html/amitrip/config/config.inc.php(211): CustomerCore->update()

#4 /home/bstyle/public_html/amitrip/index.php(27): require('/home/bstyle/pu...')

#5 {main}

  thrown in /home/bstyle/public_html/amitrip/classes/ObjectModel.php on line 909

[05-Oct-2015 17:08:48 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:08:48 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[05-Oct-2015 17:08:50 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:08:50 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[05-Oct-2015 17:08:55 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 54

[05-Oct-2015 17:08:55 Europe/Tallinn] PHP Notice:  Undefined index: s in /home/bstyle/public_html/amitrip/config/smartyfront.config.inc.php on line 65

[admin@iksi]

help?