This error means that the GD library hasn't been compiled with php. Ask your hosting provider to enable this for you.

If you have access to the php.ini file yourself, open it, and change this line:

;extension=php_gd2.dll 

to:

extension=php_gd2.dll

then restart apache. 

75,00% of 60 voters found this FAQ useful,  I found this FAQ   useful   not useful