Fatal error: Uncaught Error: Class "Intervention\Image\Exception\ImageException" not found in /home/bimmertest/BookStack/vendor/intervention/image/src/Intervention/Image/Exception/NotWritableException.php:5 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/vendor/intervention/image/src/Intervention/Image/Exception/NotWritableException.php on line 5