Fatal error: Uncaught Error: Call to undefined function imagecreatefromjpeg() in /var/www/html/webp-gen/discover.php:56 Stack trace: #0 /var/www/html/webp-gen/discover.php(226): image_scale_to_width() #1 {main} thrown in /var/www/html/webp-gen/discover.php on line 56