Position is locked by a valuation with key date &1

What causes this issue?

Position &V2& &V3&
is blocked by a valuation or a valuation reset with key
date &V1&.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE DIFF_VALUE_DESCRIPTION OBJECT DOKU ID TX

System Response

The current activity cannot be carried out since it would render the
valuation invalid.

How to fix this error?

Reverse the valuation with key date &V1& and then execute the current
activity again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.