Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/dextragr/public_html/coindcx/app/Http/Controllers/Api/ParticipantTimestampController.php:11 Stack trace: #0 {main} thrown in /home/dextragr/public_html/coindcx/app/Http/Controllers/Api/ParticipantTimestampController.php on line 11