View field &-& (view type does not permit data elements to be changed)

What causes this issue?

The data element for a view field was changed. The type of the view,
however, does not permit this change.

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?

Cancel the modification of the data element.

Error message extract from SAP system. Copyright SAP SE.