Fatal error: Uncaught Error: Class "JsonSchema\Constraints\Constraint" not found in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/FormatConstraint.php:27
Stack trace:
#0 {main}
  thrown in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/FormatConstraint.php on line 27