Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\new_saas\backend\database\migrations\2026_03_12_160030_alter_campaign_dispatches_add_fks.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\new_saas\backend\database\migrations\2026_03_12_160030_alter_campaign_dispatches_add_fks.php on line 7