How To Fix CFD_ABAP_MANAGED_FLD056 - Remove field from Core Data Services (CDS) views.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_ABAP_MANAGED_FLD - Custom Fields: Messages of ABAP-Managed Fields

• Message number: 056

• Message text: 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_ABAP_MANAGED_FLD056 - Remove field from Core Data Services (CDS) views. ?

  The SAP error message CFD_ABAP_MANAGED_FLD056 indicates that a field is being used in a Core Data Services (CDS) view that is not allowed or is no longer valid. This typically occurs when a field that is managed by the ABAP Dictionary is being referenced in a way that is not compatible with the CDS view's structure or rules.
  Cause:
  
  Field Removal: The field in question may have been removed or marked as obsolete in the underlying database table or structure.
  Field Type Incompatibility: The field may have a data type or characteristics that are not compatible with the CDS view.
  Field Management: The field might be managed by the ABAP Dictionary, and its usage in the CDS view does not comply with the rules for managed fields.
  Changes in Data Model: Changes in the underlying data model or structure can lead to this error if the CDS view is not updated accordingly.
  
  Solution:
  
  Remove the Field: The immediate solution is to remove the field from the CDS view definition. You can do this by editing the CDS view in the ABAP Development Tools (ADT) or SE11 transaction.
  Check Dependencies: Ensure that the field is not being used in any dependent objects or views. If it is, you may need to update those as well.
  Update the CDS View: If the field is still needed, consider whether it can be replaced with another field or if the logic of the CDS view needs to be adjusted.
  Rebuild the CDS View: After making changes, activate the CDS view to ensure that it compiles correctly without errors.
  Consult Documentation: Review the SAP documentation for any specific guidelines regarding the use of managed fields in CDS views.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) are a way to define semantic data models in SAP. They allow for the definition of views that can be consumed by various applications.
  ABAP Dictionary: The ABAP Dictionary is a central repository for all data definitions in an SAP system. It manages the data types, tables, views, and other data-related objects.
  Error Handling: When encountering errors in CDS views, it is essential to check the syntax and semantics of the view definition, as well as the underlying data model.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.