Fatal error: Uncaught Error: Call to undefined function imagecreatefromjpeg() in /var/www/html/libraries/class/class.Functions.php:1700 Stack trace: #0 /var/www/html/libraries/router.php(35): Functions->createThumb('500', '500', '2', 'upload/photo/qr...', NULL, 'thumbs') #1 /var/www/html/libraries/router.php(54): {closure}('500', '500', '2', 'upload/photo/qr...') #2 /var/www/html/index.php(30): require_once('/var/www/html/l...') #3 {main} thrown in /var/www/html/libraries/class/class.Functions.php on line 1700