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