Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\bookstack\database\migrations\2016_02_25_184030_add_slug_to_revisions.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\bookstack\database\migrations\2016_02_25_184030_add_slug_to_revisions.php on line 7