Has found out a problem with the messages of the users.

Has found out a problem with the messages of the users. When for example Irma sends the message Alex. Alex can not answer to it(her) in the same message, if she has not added him in the friends and he has not confirmed. The essence of a problem the User Irma does not occur in a line (for whom) while he is not added in the friends. The message to send it fails