Fatal error: Uncaught Error: Class "Intervention\Image\Commands\AbstractCommand" not found in /home/bimmertest/BookStack/vendor/intervention/image/src/Intervention/Image/Commands/PolygonCommand.php:8 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/vendor/intervention/image/src/Intervention/Image/Commands/PolygonCommand.php on line 8