Issue with Minecraft not connecting on local network.

Im having a problem with Minecraft not connecting on local network. Does anyone know something I can try to resolve this? From my perspective this issue just arose at random: one day they were connecting fine and then suddenly they weren't.

My sons both have a Nintendo switch (one lite one regular).

Steps to reproduce:

1. The consoles are next to each other

1. Both open Minecraft

1. Both users select the 'connect to local network' on the main menu

1. Console #1 enters a world

1. Console #2 shows the friend online in the friend menu

1. Console #2 clicks the world in the friends list.

Expected result:

• Console #2: enter the world

Actual result

• Console #2 shows a 'cannot connect to world.'

Notes:

• the game itself plays fine but if I exit the world to go back to the main menu, I get error code 2203-0032: 'communication error, try again later'

• It does not matter if console opens a world or console 2, it still shows the 'cannot connect to world' error.

• Both consoles run Minecraft 1.20.0 on system 16.0.3