I can't tell if this is BC's issue or something EnderIO is doing.
Its causing an error upon trying to boot the server.

http://pastebin.com/j2y5QCf2

I also tried using newer 7.4 of BC.

Another and different crash:

http://pastebin.com/3tJRBrGr

the first error is indeed a BC bug it seems, second error is forestry, just dissable the apiarists pipe to fix that