Fatal error: Uncaught Error: Interface 'JsonSchema\SchemaStorageInterface' not found in /var/www/html/simplesamlphp/vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php:13
Stack trace:
#0 {main}
  thrown in /var/www/html/simplesamlphp/vendor/justinrainbow/json-schema/src/JsonSchema/SchemaStorage.php on line 13