Warning: require_once(/opt/lampp/htdocs/modules/aer/../../config/functions.php): Failed to open stream: No such file or directory in /opt/lampp/htdocs/modules/aer/index.php on line 8

Fatal error: Uncaught Error: Failed opening required '/opt/lampp/htdocs/modules/aer/../../config/functions.php' (include_path='.:/opt/lampp/lib/php') in /opt/lampp/htdocs/modules/aer/index.php:8 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/modules/aer/index.php on line 8