SAP Message REB_COND_MNT059 - Overflow during currency conversion from &1 to &2

Diagnosis
The system tried to convert an amount from currency &V1& into currencyV2. due to an error in a value assignment in function module v3, anoverrun has occured.

System Response
Processing is terminated.

Procedure
Contact your system administrator.

Procedure for System Administration
Contact the SAP Support Line.