did you start with a clean install of rtw itself? using the correct version with all the necessary update patches? not using any of the expansions that aren't officially supported without separate downloads for compatibility? followed the official installation instructions very carefully?
i hope you get it working, eb is perhaps the finest achievement in modding i've ever experienced. luckily they're getting ever closer to an initial release for m2tw, which should be fanfuckingtastic, considering the engine is much better and unit variation makes for more visual splendor and all that good stuff.
good luck! try making a post in the appropriate thread at the Total War Center forums for further tech help, they get more traffic over there and should get you set up quickly.
