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This Opencart tutorial collects the most common errors that we face while developing and provides solutions for errors, try them and hope you could solve the issues Cannot delete the admin folder in Opencart 4 https://forum.opencart.com/viewtopic.php?t=228495&p=843586 This solution looks working, for now, change the following lines of code at admin/controller/common/security.php to following 2. Blank White [...]
Once we upgrade the PHP to the 8+ version we keep seeing the error like Warning: imagecreatefrompng(): gd-png: libpng warning: iCCP: known incorrect sRGB profile in /system/library/image.php on line 45. The fix that we implemented is by suppressing using @. Open system/library/image.php and find imagecreatefrompng($file); and add @ before it.
Uncaught exception 'Exception' with message 'Error: Could not load model payment!' in vqmod\vqcache\vq2-system_engine_loader.php or 'Error: Could not load controller payment!' or shipping or module then you have old folder existing in your folder so delete the old folder file which is at \catalog\model\payment or \catalog\model\shipping or \catalog\model\module. Once you delete that folder then hope it removes the opencart fatal [...]
Fatal error: Cannot redeclare Loader::__get() in system\storage\modification\system\engine\loader.php Go to YOUR_INSTALLED_FOLDER/system\storage\modification then delete all files and folder except index.html Then refresh the front end, hope it works. Then again install your ocmod.xml again.
In Opencart we got the following error when we activated the Google Sitemap from Extensions>> Product Feed, then when we visited the google sitemap URL like Google Sitemap http://webocreation.com/index.php?route=feed/google_sitemap This page contains the following errors:error on line 1 at column 5844: xmlParseEntityRef: no nameBelow is a rendering of the page up to the first error How to [...]