Error decoding messag

[shridhar49]

getting this error while chatting with other user
Error decoding message on onChildAdded Required sender field is null for message id : -LNOi4Y1eKXhB7A86PiX

[venkatthesaiyan]

E/FirebaseCrash: Unable to parse Json response string to get message: No value for crashes I'm getting this problem

[venkatthesaiyan]

Can u solve