wallpaperstore Posted July 15, 2020 Share Posted July 15, 2020 (edited) Hello, I have recently been having issues accessing a few pages in my BO, including the categories and the themes page. My PHP version is 7.2.30 PS Version 1.7.6.5 Attached are screenshots of the logs that I am seeing from debug mode. Edited July 20, 2020 by wallpaperstore (see edit history) Link to comment Share on other sites More sharing options...
Guest Posted July 16, 2020 Share Posted July 16, 2020 (edited) It is repeated here that Prestashop 1.7.6 does not work with PHP 7.3. You need to change to php min 5.6 and max 7.2. Use forum search or Prestashop system requirements. https://devdocs.prestashop.com/1.7/basics/installation/system-requirements/ Edited July 16, 2020 by Guest (see edit history) Link to comment Share on other sites More sharing options...
wallpaperstore Posted July 16, 2020 Author Share Posted July 16, 2020 PHP version has been downgraded to 7.2 with the exact same error. Link to comment Share on other sites More sharing options...
wallpaperstore Posted July 20, 2020 Author Share Posted July 20, 2020 Anyone else experiencing this issue? Running PHP 7.2.30 with those errors. Link to comment Share on other sites More sharing options...
JBW Posted July 21, 2020 Share Posted July 21, 2020 Same issue was reported in the German forum: Did you have a failed upgrade? Actually it seems you are missing a file which IMO only introduced with Presta 1.7.6.6. You can try to uopload this file manually and see if it fixes the error https://github.com/PrestaShop/PrestaShop/blob/develop/src/Core/Session/SessionInterface.php Link to comment Share on other sites More sharing options...
wallpaperstore Posted July 21, 2020 Author Share Posted July 21, 2020 9 hours ago, JBW said: Same issue was reported in the German forum: Did you have a failed upgrade? Actually it seems you are missing a file which IMO only introduced with Presta 1.7.6.6. You can try to uopload this file manually and see if it fixes the error https://github.com/PrestaShop/PrestaShop/blob/develop/src/Core/Session/SessionInterface.php @JBW I can confirm that the file is already located there. I did try replacing it with no luck. I had a failed upgrade, then we restored back to 1.7.6.5 via a backup from our host. What else can I try to resolve this issue? Link to comment Share on other sites More sharing options...
JBW Posted July 21, 2020 Share Posted July 21, 2020 So it is clearly related to the failed upgrade, the other guy has the same situation. Somehow the new files didn't got removed by the restore and are still called. I would recommend to open an issue on GitHub so that the Prestashop teams checks it:https://github.com/PrestaShop/PrestaShop/issues Link to comment Share on other sites More sharing options...
musicmaster Posted July 24, 2020 Share Posted July 24, 2020 Don't forget to empty the cache after you downgrade. Otherwise it won't work. Link to comment Share on other sites More sharing options...
wallpaperstore Posted October 10, 2020 Author Share Posted October 10, 2020 Just gonna update this thread: I was able to resolve it by doing a manual upgrade to the site via SSH. It went smoothly and the site began to work after the manual upgarde. Link to comment Share on other sites More sharing options...
Pete78 Posted December 17, 2020 Share Posted December 17, 2020 If anybody has this issue due to a failed upgrade or doing manual updates / cherry picking .... : make sure you update your composer classmap files in the vendor/composer/files to have additional classes/interfaces addes as well. Link to comment Share on other sites More sharing options...
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