SAP Message 70120 - Incorrect currency &1 (see input help)

Diagnosis
Currency &V1& is not valid. You can only use currencies from thosecountries that have defined a dual currency phase in the ValidCountry Currencies table (T500W). In this table, the validity periodof the old national currency and the new currency (Euro) is specifiedfor each country. These two entries provide the basis of the dualcurrency phase.

Procedure
Enter the valid currency, or maintain the dual currency phase in theValid Country Currencies table (T500W).