Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\Dhaka-Imperial-College\database\migrations\2026_01_21_043609_add_column_to_sliders_table.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\Dhaka-Imperial-College\database\migrations\2026_01_21_043609_add_column_to_sliders_table.php on line 7