Fatal error: Uncaught Error: Interface "JsonSchema\Uri\Retrievers\UriRetrieverInterface" not found in C:\xampp\htdocs\snipe-it\vendor\justinrainbow\json-schema\src\JsonSchema\Uri\Retrievers\AbstractRetriever.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\vendor\justinrainbow\json-schema\src\JsonSchema\Uri\Retrievers\AbstractRetriever.php on line 16