Fatal error: Uncaught Error: Class 'DI\Container' not found in /opt/lampp/htdocs/src/Main/Main.php:26 Stack trace: #0 /opt/lampp/htdocs/index.php(16): Main\Main->__construct('/opt/lampp/htdo...') #1 {main} thrown in /opt/lampp/htdocs/src/Main/Main.php on line 26