Fatal error: Uncaught Error: Class 'Magento\Framework\Component\ComponentRegistrar' not found in /home/fcsus/public_html/applications/ECC/Fcsus/VisitorLog/registration.php:2 Stack trace: #0 {main} thrown in /home/fcsus/public_html/applications/ECC/Fcsus/VisitorLog/registration.php on line 2