Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/clademy/lms.clademy.com/database/migrations/2018_06_21_052408_change_default_taskboard_columns.php:9 Stack trace: #0 {main} thrown in /home/clademy/lms.clademy.com/database/migrations/2018_06_21_052408_change_default_taskboard_columns.php on line 9