If you have not been active in the MR application for a long time, this warning will appear. In this case, try LOGOUT and log in again with your username and password. If you do not succeed, we suggest you delete the application from your device and reinstall it, then log in with your user account and password.
If you enter an incorrect username or password with LOGIN, the error will also appear. Make sure you enter the right information, then click on the "eye" button next to the password to preview the signed password.