Remove field from Core Data Services (CDS) views.

What causes this issue?

In the app Custom Fields and Logic, database fields can be added to Core
Data Services (CDS) views. The field has already been added to one or
more CDS views. The field must not be added twice to a CDS view, and
thus needs to be removed from the CDS views in the app Custom Fields and
Logic.

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?

Open the transaction SCFD_EUI.
Choose the affected database field.
Click <PF>Prepare</> and follow the step-by-step instructions given
there.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.