Fatal error: Uncaught Error: Interface 'JsonSchema\SchemaStorageInterface' not found in /data/htmlwww/common/jpgraph/vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php:11
Stack trace:
#0 {main}
thrown in /data/htmlwww/common/jpgraph/vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php on line 11