Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\InvalidArgumentException' not found in E:\it\htdocs\fac_law\vendor\sebastian\diff\src\Exception\ConfigurationException.php:18 Stack trace: #0 {main} thrown in E:\it\htdocs\fac_law\vendor\sebastian\diff\src\Exception\ConfigurationException.php on line 18