Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/alkhalaffamily/public_html/educourses/database/migrations/2021_06_30_134938_add_document_name_to_course_documents.php:7 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/educourses/database/migrations/2021_06_30_134938_add_document_name_to_course_documents.php on line 7