Fatal error: Uncaught Error: Interface 'Concrete\Core\Error\ErrorList\Error\ErrorInterface' not found in /home/gmcguire/public_html/concrete5/concrete/src/Package/Dependency/DependencyException.php:11 Stack trace: #0 {main} thrown in /home/gmcguire/public_html/concrete5/concrete/src/Package/Dependency/DependencyException.php on line 11