When the world loads skeletons it crashes

Put the summary of the bug you're having here

What I expected to happen was...:
The game operate normally

What actually happened was...:
Game loaded as normal, got into my world and within 30 seconds crashed. Have a skeleton spawner near my house which may be triggering it.

Steps to Reproduce:
1. Load a world(Possibly with a skele spawner)
2. Wait for crash