RevCMS on IIS7

[RavesCoder]

I've having a little bit of trouble...

RevCMS ON IIS7

This appears when i type in the hotel address

Server error

The website encountered an error while retrieving (link). It may be down for maintenance or configured incorrectly.
Here are some suggestions:

• You must be registered for see links
  this webpage later.

HTTP Error 500 (Internal Server Error): An unexpected condition was encountered while the server was attempting to fulfill the request.