Fatal error: Uncaught Error: Class "Nette\InvalidStateException" not found in C:\Xampp\www\0050467\ims-mobile\vendor\nette\schema\src\Schema\ValidationException.php:18 Stack trace: #0 {main} thrown in C:\Xampp\www\0050467\ims-mobile\vendor\nette\schema\src\Schema\ValidationException.php on line 18