TypeError: Cannot read property 'room' of undefined

[simdie]

There is an issue with sudden stoppage and disappearing of chat messages during users chatting.
It can only get to normal once browser is refreshed.

Here is the error code:

TypeError: Cannot read property 'room' of undefined
at Socket.socket.on.msg (/home/firszmuu/beyok.firstcla.net/server.js:51:16)
at Socket.emit (events.js:198:13)
at /home/firszmuu/beyok.firstcla.net/node_modules/socket.io/lib/socket.js:528:12
at process._tickCallback (internal/process/next_tick.js:61:11)
/home/firszmuu/beyok.firstcla.net/server.js:51
io.to(user.room).emit('message', formatMessage(user.username, msg));
^

Kindly assist

[Jatan88]

Have u got solution to this problem?

[tauseedzaman]

I did not get any errors, make sure you have installed everything as given in the readme file