Module shows "Class not found" or "Namespace not found" error.
This usually means the module's autoloader is not working. Causes: (1) The vendor/ directory inside the module is missing or incomplete — re-upload the module from the original ZIP. (2) Your PHP version is too old for the namespaces used in the module. (3) OPcache is serving a cached version of the old code — clear OPcache. (4) File permissions prevent PHP from reading the class files. Try: delete the module folder, re-extract from ZIP, and reinstall.
Learn more: our troubleshooting guide.
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