Crash Report (client-side multiplayer)

I was playing on a multiplayer server.

I was just trying to divide some birch wood into planks with my mouse keys, and the game crashed. It hadn't done it before, it appears to be just to be random, but now I can't connect to any server without it crashing.

I tried reinstalling the most recent released version, and it still crashes when I try to reconnect.

Please see attachment for crash report.