Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/sourceex/public_html/pm/database/migrations/2021_02_23_173243_add_column_length_column.php:7 Stack trace: #0 {main} thrown in /home/sourceex/public_html/pm/database/migrations/2021_02_23_173243_add_column_length_column.php on line 7