Fatal error: Uncaught Error: Interface 'Nette\Schema\Schema' not found in D:\xampp\htdocs\jconf\ck\vendor\nette\schema\src\Schema\Elements\Type.php:19 Stack trace: #0 {main} thrown in D:\xampp\htdocs\jconf\ck\vendor\nette\schema\src\Schema\Elements\Type.php on line 19