Error during analysis of document conditions (multiple update)

What causes this issue?

In analyzing the document conditions for the purpose of determining the
business volumes for item &V2& of purchasing document &V1& the system
found more than one document condition.

System Response

Multiple business volume updates may have occurred.

How to fix this error?

Contact your system administrator.
Check the document conditions for duplicated records. Otherwise the
problem is due to an internal program error.
The condition record for rebate arrangement &V4& has the (internal)
number &V3&.

Error message extract from SAP system. Copyright SAP SE.