Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/crmcodingobjects/public_html/modules/Activities/App/Http/Controllers/OAuthCalendarController.php:21 Stack trace: #0 {main} thrown in /home/crmcodingobjects/public_html/modules/Activities/App/Http/Controllers/OAuthCalendarController.php on line 21