Content encoding error?

I'm getting the following error:

Content Encoding Error

The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression.

At the following URLs:

ucp.php?i=roleplays
ucp.php?i=276

Everything else appears to be working correctly. I'm running Firefox 14.0.1.

Thanks in advance for your help!

Source: http://feedproxy.google.com/~r/RolePlayGateway/~3/en1PpdRwATQ/viewtopic.php

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