SAP Message CACSELT096 - Different unit of measure in &1 &2: &3 instead of &4

Diagnosis
The unit of measure &v4& is used for calculations in the transferprocess. However, this document uses a different unit of measure (&v3&).

System Response
No transfer is possible because the document is inconsistent.

Procedure
Analyze the document.
If necessary, contact SAP support to resolve the inconsistencies.