SAP Message BEA273 - Expired currency &2 replaced by currency &3 in billing document &1

Diagnosis
The original transaction currency unit &V2& of billing document &V1& hasexpired.

System Response
Since the original transaction currency unit is no longer a valid meansfor financial transactions and accounting, it has been replaced by itssuccessor currency unit &V3&. The currency amounts have been convertedaccordingly.