Fatal error: Uncaught Error: Class "JsonSchema\Exception\RuntimeException" not found in /home/alotaishan/public_html/ots001/vendor/justinrainbow/json-schema/src/JsonSchema/Exception/InvalidConfigException.php:15 Stack trace: #0 {main} thrown in /home/alotaishan/public_html/ots001/vendor/justinrainbow/json-schema/src/JsonSchema/Exception/InvalidConfigException.php on line 15