WGS Posted July 2 Share Posted July 2 Recently I suddenly experienced a 500 server error for no reason (no changes were made) My provider could not explain what happend. After a restore by my provider the frontend works but the backend pages do not function propperly. Most significant issues: When I select the tab combinations the content of all other tabs is also displayed on one single pages. Submit of changes does not work Also when selecting another item from the leftside panel I'm required to log in again. Has anyone a clue what could be wrong? Prestashop 1.7.6.5 PHP-versie:7.4.33 MySQL versie:10.6.19-MariaDB appreciate any suggestions. Wim Link to comment Share on other sites More sharing options...
Knowband Plugins Posted July 3 Share Posted July 3 8 hours ago, WGS said: When I select the tab combinations the content of all other tabs is also displayed on one single pages. It might be due to a JS conflict (Due to 3rd-party module). Check if there are any errors in the Chrome Developer Toolbar -> Console tab. If you have installed any new module recently, try disabling the same. Other errors also seems related. Link to comment Share on other sites More sharing options...
4presta Posted July 3 Share Posted July 3 Hi. It would definitely be nice to enable Debug mode in the performance settings. If it doesn't show any errors in Debug mode either, I would try the same thing as recommended above. The problem could also be caused by your provider changing your IP address. I would try changing the value of PS_COOKIE_CHECKIP from 1 to 0 in the database, in the configuration table. Then clear the Prestashop cache. Link to comment Share on other sites More sharing options...
WGS Posted July 4 Author Share Posted July 4 Thank you all. Finaly my provider confessed they upgraded the MySQL database where they eperienced problems :-(. 1 Link to comment Share on other sites More sharing options...
pedepot Posted August 17 Share Posted August 17 If your issue was fixed, please change the topic to resolved. Link to comment Share on other sites More sharing options...
Mehdi Bourechka Posted August 19 Share Posted August 19 On 7/2/2025 at 10:00 PM, WGS said: Recently I suddenly experienced a 500 server error for no reason (no changes were made) My provider could not explain what happend. After a restore by my provider the frontend works but the backend pages do not function propperly. Most significant issues: When I select the tab combinations the content of all other tabs is also displayed on one single pages. Submit of changes does not work Also when selecting another item from the leftside panel I'm required to log in again. Has anyone a clue what could be wrong? Prestashop 1.7.6.5 PHP-versie:7.4.33 MySQL versie:10.6.19-MariaDB appreciate any suggestions. Wim First enable Debug Mode to display the real error messages If the back office still shows nothing in debug mode disable all third party modules Then set PS_COOKIE_CHECKIP to 0 in the ps_configuration table and clear the PrestaShop cache This combination fixes most backend issues like tabs mixing together or automatic logout Link to comment Share on other sites More sharing options...
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