The game crashed whilst unexpected errorError: java.lang.NullPointerException: Cannot invoke "gh$a.u()" because "this.k" is nullExit Code: -1

The game crashed whilst unexpected error
Error: java.lang.NullPointerException: Cannot invoke "gh$a.u()" because "this.k" is null
Exit Code: -1
This occurred while loading in new chunks while flying using Elytra on a LAN connection. Game crashed and showed this error