Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\bookstack\database\migrations\2020_09_19_094251_add_activity_indexes.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\bookstack\database\migrations\2020_09_19_094251_add_activity_indexes.php on line 7