SAP Message AJ359 - Error occurred in quantity conversion regarding number of conversions

Diagnosis
An internal error occurred in billing during quantity conversion fordevice &v1&, register &v2&.
The conversions for schema step &v3& with to-date &v4& in the internaltable IVB cannot be calculated consistently since the number ofconversions for the time slices corresponding to this schema step (fromthe internal table IUMASTER) are not always the same.

Procedure
INCLUDE ISU_SAP OBJECT DOKU ID TX