Game crash randomly

Put the summary of the bug you're having here

What I expected to happen was...:
Mining and block laying mostly.

What actually happened was...:
I was doing simple tasks like putting down wooden blocks then the game crashed. I tried again, got to a different task like mining gravel and it crashes again.

Steps to Reproduce:
Unknown. Sometimes it happens when moving, others when mining and does not seem to have a single trigger.