Fatal error: Uncaught Error: Class "Zxing\Common\GridSampler" not found in /home/dyna9/public_html/museum.9.dynacomp2.eu/temp/lib/common/DefaultGridSampler.php:25 Stack trace: #0 {main} thrown in /home/dyna9/public_html/museum.9.dynacomp2.eu/temp/lib/common/DefaultGridSampler.php on line 25