SAP Message RSTRAN312 - Key figure <> 0 not allowed for unit ' '; see long text

Diagnosis
The unit/currency ' &v3& ' with the value 'space' is assigned to the keyfigure ' &v1& ' with the value ' &v2& '.

System Response
A key figure that is not equal to 0 and for which no unit/currency isset has an inconsistent data state. The data record is not processed.

Procedure
Correct the source data.