[MC-93066] Opening / closing a 3x3 redstone door while feeding sheeps

Put the summary of the bug you're having here

What I expected to happen was...:
That my game would not crash

What actually happened was...:
My game crash

Steps to Reproduce:
I have no clue how it is getting triggert, But basicly it happened more than 20 times now, since 15w45 and above.

What is the same with all crashes;
I have wheat in my hand.
I open the redstone door.

Screenshots of door with coords in attachment