Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/clademy/lms.clademy.com/database/migrations/2017_04_04_193158_AddColumnsProjectFilesTable.php:7 Stack trace: #0 {main} thrown in /home/clademy/lms.clademy.com/database/migrations/2017_04_04_193158_AddColumnsProjectFilesTable.php on line 7