@anthonykung, I had this same issue. My question is this: how did you discover which module was missing? I’m running on FreeBSD and apparently lots of PHP modules that are installed by default on Linux are missing here. I’ve had to install quite a few, gd being just the latest. In all other cases, I found errors in the Apache error log for the web page which indicated a missing function. I’d then Google around to find out which PHP module that function is in, add it, restart Apache, and poof, fixed. In this case, however, there was no error listed so I was lost until I found your post. So… how’d you figure it out?