No entry for the predecessor & of object & in the object structure.

What causes this issue?

The predecessor objekt &V1& of the object &V2& is not an object of the
object structure.

System Response

The View cluster was not activated.

How to fix this error?

Make an entry for the predecessor object &V1& in the View cluster
object structure, or enter an object which exists in the object
structure as the predecessor of &V2&.

Error message extract from SAP system. Copyright SAP SE.