Planning area &1 and DataSource &2 do not have same extraction structure

What causes this issue?

There is an inconsistency between DataSource &V2& and planning area &V1&
with regard to the assigned extraction structure.
Extraction structure in DataSource: &V3&
Extraction structure in planning area for the above DataSource: &V4&

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?

This inconsistency must be rectified using the appropriate functions.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.