Tables changed. Field selection adapted accordingly

What causes this issue?

The selection of the tables included in the aggregate (matchcode
object, view, lock object) was changed, e.g. by deleting a secondary
table. An inconsistency occurred here in the fields of the aggregate,
e.g. the fields of a deleted secondary table were not yet removed.

System Response

The system found the inconsistency and automatically corrected it, e.g.
by removing the remaining fields of a deleted secondary table from the
list of the fields of the aggregate.

How to fix this error?

No action necessary.

Error message extract from SAP system. Copyright SAP SE.