Fatal error: Uncaught Error: Class "Phinx\Migration\AbstractMigration" not found in C:\laragon\www\xibo\db\migrations\20180219141257_display_group_closure_index_to_non_unique.php:24 Stack trace: #0 {main} thrown in C:\laragon\www\xibo\db\migrations\20180219141257_display_group_closure_index_to_non_unique.php on line 24