Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Rule" not found in /home/hermosa/public_html/dawrat.hermosaapp.com/app/Rules/ValidCourse.php:8 Stack trace: #0 {main} thrown in /home/hermosa/public_html/dawrat.hermosaapp.com/app/Rules/ValidCourse.php on line 8