http://pastebin.com/a5NxKmTi

Because the 1.7.10 build of BM is no longer being worked on, we are clearing out non-critical issues for that version. Please let us know if the issue is persistent in the 1.8 releases.

This crash is most likely caused by the msg argument being null in the packet handler.

So what were you doing?

Its a multiplayer server with 40-50 users nobody fessed up, sorry I can't be more specific.

Looks like it had something to do with the Altar