Fatal error: Uncaught Error: Class 'JsonSchema\Constraints\BaseConstraint' not found in /var/www/html/simplesamlphp/vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/Constraint.php:9
Stack trace:
#0 {main}
  thrown in /var/www/html/simplesamlphp/vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/Constraint.php on line 9