However the client should not stop rendering frames because a server didn't send it a packet to say the chest was closed.
It tested it on vanilla clients.
I'm not joining any servers, this is single player.
I think I see the issue here, It looks like the server is giving colour codes to usernames and therefore going over the character limit.
However the client should not stop rendering frames because a server didn't send it a packet to say the chest was closed.