Fatal error: Uncaught Error: Call to undefined function imagecreatefrompng() in /var/www/html/resizer/index.php:43 Stack trace: #0 /var/www/html/resizer/index.php(15): resize->openImage('http://savemone...') #1 /var/www/html/resizer/index.php(278): resize->__construct('http://savemone...') #2 {main} thrown in /var/www/html/resizer/index.php on line 43