WHMCS Module Not Working After Installation? Common Fixes

If a WHMCS module is not working after installation, it can usually be traced to a setup issue such as wrong upload path, missing files, incorrect permissions, PHP version mismatch, ionCube Loader problem, license validation issue, template conflict, or configuration mistake. This can happen with WHMCS addon modules, payment gateways, server/provisioning modules, hooks, notification tools, […]