Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in E:\install\laragon\www\erp_gpharma_web\database\migrations\2026_07_07_000000_add_optimisation_indexes.php:31 Stack trace: #0 {main} thrown in E:\install\laragon\www\erp_gpharma_web\database\migrations\2026_07_07_000000_add_optimisation_indexes.php on line 31