Fatal error: Uncaught Error: Interface 'Concrete\Core\Service\Detector\DetectorInterface' not found in /home1/heyerarc/public_html/concrete/src/Service/Detector/HTTP/ApacheDetector.php:7 Stack trace: #0 {main} thrown in /home1/heyerarc/public_html/concrete/src/Service/Detector/HTTP/ApacheDetector.php on line 7