Send message to another user

I can't send message to another user in spite of enabling message. I'm using ubuntu 20.04 on VMware workstation. Window 1 nguyenvanen@nguyenvanen:~$ mesg is y nguyenvanen@nguyenvanen:~$ _ Window 2 itachi@nguyenvanen:~$ write nguyenvanan write: nguyenvanan has messages disabled itachi@nguyenvanen:~$ _ Illustration