Fatal error: Uncaught Exception: /var/www/html/extensions/AddEvent/extension.json does not exist! in /var/www/html/includes/registration/ExtensionRegistry.php:107 Stack trace: #0 /var/www/html/includes/GlobalFunctions.php(116): ExtensionRegistry->queue('/var/www/html/e...') #1 /var/www/html/LocalSettings.php(435): wfLoadExtension('AddEvent') #2 /var/www/html/includes/WebStart.php(124): require_once('/var/www/html/L...') #3 /var/www/html/index.php(40): require('/var/www/html/i...') #4 {main} thrown in /var/www/html/includes/registration/ExtensionRegistry.php on line 107