SAP Message UO067 - EMU currencies under ex.rte type &1 rerouted to more than one ex.rte type

Diagnosis
Your system contains currency table settings that are necessary inpreparation for the introduction of the euro. One of the exchange ratetypes for which settings have been found is exchange rate type &1.
The system found that exchange rate relations between two participatingcurrencies of exchange rate type &1 are rerouted to several exchangerate types.

System Response
This problem is due to a Customizing error. You cannot automaticallychange or enhance the euro settings in Customizing for exchange ratetype &1.

Procedure
Correct your Customizing settings.