WHMCS is just a blank white?

Question

I'm editing my theme in WHMCS and for some reason the site is just a blank white. I cleared my cache but it didn't help. I'm not sure why this is happening.

http://bluminati.tk/whmcs

Answer 1

The blank page in the WHMCS indicates a fatal PHP error is occurring.

http://docs.whmcs.com/Blank_Pages