Different values for a key figure

What causes this issue?

Key figure &V1& has different values:
,,value in planning area: &V2&
,,value in InfoCube: &V3&

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.