I've got a crash when place my pocket block. Here is a crash report
crash-2021-04-11_16.08.05-client.txt
It's not the first time i've placed this block in world. After crash i tried to repeat the action and the game crashes again

Issue was fixed in version 1.16.5-1.1.0.

same problem here I hope you can find an sollution soon me and my friends play on a server