User %1 provided a routing document with errors. Default call handling was applied instead. %2 Problems with this user's ...

User %1 provided a routing document with errors.
Default call handling was applied instead. %2
Problems with this user's routing documents will not be reported again for another hour.
Cause: A new or experimental user agent my have published a routing document with errors.
Resolution:
Replace the user agent that published the defective configuration.