How to fix vqmod for opencart not working and no errors in the log files. If you have errors files /vqmod/logs/*.log you just need to fix the errors in your xml modifications in /vqmod/xml. If you don't have any kind of modification and errors: make sure that you have the file vqmod_opencart.xml in /vqmod/xml. - /vqmod/xml/vqmod_opencart.xml If it's missing download the version of your vqmod (you can check it in vqmod.php). Replace all the local relative paths to absolute in your config.php and admin/config.php. Make sure to delete all the .cache files in the /vqmod folder and the browser's cache. That's all