Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Container\Container" not found in /home/u894273733/domains/myairprotector.de/public_html/concrete/vendor/illuminate/container/Container.php:15 Stack trace: #0 /home/u894273733/domains/myairprotector.de/public_html/concrete/bootstrap/start.php(2): require() #1 /home/u894273733/domains/myairprotector.de/public_html/concrete/dispatcher.php(36): require('/home/u89427373...') #2 /home/u894273733/domains/myairprotector.de/public_html/index.php(10): require('/home/u89427373...') #3 {main} thrown in /home/u894273733/domains/myairprotector.de/public_html/concrete/vendor/illuminate/container/Container.php on line 15