While teleporting back from nether the game always crashes

I went to neather just for some fun after a while I step back in my neather portal.

What I expected to happen was...:
after getting back in portal i was expecting to come back in my world.

What actually happened was...:
After stepping in the portal the game crashed.

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
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