Please check the extended rebate arrangement (validity period)

What causes this issue?

The validity end date &V1& of rebate arrangement &V2& is incompatible
with the end date &V3& derived from the
<GL:arrangement_calendar>arrangement calendar</>.
If the rebate arrangement is extended, this may lead to an undesired
new validity period.

System Response

The arrangement has been extended provided that no errors occurred.

How to fix this error?

Please check the extended rebate arrangement &V4&. You may have to
change or delete it and carry out the extension manually.

Error message extract from SAP system. Copyright SAP SE.