Fatal error: Uncaught Error: Class 'JsonSchema\Exception\InvalidArgumentException' not found in C:\xampp\htdocs\fiveplus\vendor\justinrainbow\json-schema\src\JsonSchema\Exception\UnresolvableJsonPointerException.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fiveplus\vendor\justinrainbow\json-schema\src\JsonSchema\Exception\UnresolvableJsonPointerException.php on line 17