Fatal error: Uncaught TypeError: substr(): Argument #3 ($length) must be of type ?int, string given in /home/ortheg/public_html/live.ortheg-shop.de/public/images.php:15 Stack trace: #0 /home/ortheg/public_html/live.ortheg-shop.de/public/images.php(15): substr('0', 1, '/var/ecommerce/...') #1 /home/ortheg/public_html/live.ortheg-shop.de/public/index.php(11): require_once('/home/ortheg/pu...') #2 {main} thrown in /home/ortheg/public_html/live.ortheg-shop.de/public/images.php on line 15