Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\coaster-world\database\migrations\2026_09_06_080000_add_mobile_group_proposals.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\coaster-world\database\migrations\2026_09_06_080000_add_mobile_group_proposals.php on line 7