Mac RealLan crash

[kev12east]

I installed RealLan into my FTB ultiamte pack and when ever i try to load a world in SSP, i crash.
log:
http://pastebin.com/mkvE9pmm

 

[Nerixel]

How did you install it? Was it through the FTB launcher? If so, which section did you install it to?
If you installed it manually, by putting it in the mods folder or into the jar, don't. Install it through the launcher.