GD for PHP

GD is a graphics library to work with images on the server.
https://www.boutell.com/gd/
PHP4 and greater usually comes compiled with GD2, if not, here’s the the info direct from the php.net manual:
https://us4.php.net/gd
I’d first ask your host.

I have Ipower as my host and gd was already installed but if it’s not on your server just ask them and they will fix it. They’re really good for that.
Paul