Mono 3.0 Preview - Monodoc Monodoc-Browser Issue [Closed]

I have a Ubuntu 13.04 box and I'd like to get Mono 3.0 installed. I found this blog-post here by one of the developers for the Ubuntu Mono group:

However, when I tried to do it, I got the following error at the end of the apt-get install mono-complete command:

Processing triggers for monodoc-browser ...
generating monodoc search index...
grep: /etc/gre.d/*.conf: No such file or directory

Unhandled Exception:
System.TypeLoadException: Could not load type 'Monodoc.EditMerger' from assembly 'monodoc, Version=1.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756'.
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeLoadException: Could not load type 'Monodoc.EditMerger' from assembly 'monodoc, Version=1.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756'.

I don't believe this to be a show-stopper (maybe someone can enlighten me). It seems this is a common issue for those that compile it, but I'm using a package. In case it's important, this is a minimal installation without any form of desktop (so I don't think I could use monodoc-browser anyway).