Fatal error: Uncaught Error: Class "Localheinz\Diff\InvalidArgumentException" not found in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/localheinz/diff/src/Exception/ConfigurationException.php:18 Stack trace: #0 {main} thrown in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/localheinz/diff/src/Exception/ConfigurationException.php on line 18