Fatal error: Uncaught Error: Class "Atk4\Data\Model" not found in /home/.sites/site4/wwwroot/web/ui/vendor/mvorisek/atk4-hintable/tests/Data/ModelInheritance/Vis.php:12 Stack trace: #0 {main} thrown in /home/.sites/site4/wwwroot/web/ui/vendor/mvorisek/atk4-hintable/tests/Data/ModelInheritance/Vis.php on line 12