Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\bilipoa\database\migrations\2026_07_04_004012_add_linked_columns_to_isp_expenses_table.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\database\migrations\2026_07_04_004012_add_linked_columns_to_isp_expenses_table.php on line 7