Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in /home/easyaabc/cl-epro-lite.easyaab.com/app/Models/ParticipantClinicalStudy.php:10 Stack trace: #0 {main} thrown in /home/easyaabc/cl-epro-lite.easyaab.com/app/Models/ParticipantClinicalStudy.php on line 10