rails3 branch installing error

[sethg]

I follow this:

https://github.com/bborn/communityengine/issues/37

and get this:

Using community_engine (2.0.0.beta2) from https://github.com/bborn/communityengine.git (at rails3) 

ArgumentError: invalid byte sequence in US-ASCII

An error occured while installing community_engine (2.0.0.beta2), and Bundler cannot continue.

Make sure that `gem install community_engine -v '2.0.0.beta2'` succeeds before bundling.

please assist.

[david liu]

well i followed the instructions but i got a diff error

 i followed this link
https://github.com/bborn/communityengine/issues/37

which sovled the uninitialized constant Tag problem but i get
rake aborted!

undefined method merge_joins' for classClass'

please help!!
thnx a mill in advance for your time =] happy newyear