Fatal error: Uncaught Error: Class "Phinx\Migration\AbstractMigration" not found in C:\laragon\www\xibo\db\migrations\20180131113952_old_upgrade_step92_migration.php:6 Stack trace: #0 {main} thrown in C:\laragon\www\xibo\db\migrations\20180131113952_old_upgrade_step92_migration.php on line 6