How To Fix CFD_ABAP_MANAGED_FLD055 - Remove field from Core Data Services (CDS) view &1.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 055

• Message text: Remove field from Core Data Services (CDS) view &1.

What causes this issue?

In the app <ZK>Custom Fields and Logic</>, database fields can be added
to Core Data Services (CDS) views. The field has already been added to
the CDS view <(>&<)>1. The field must not be added twice to a CDS view,
and thus needs to be removed from the CDS view in the app <ZK>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 ABAP Development Tools for SAP NetWeaver (ADT).
Open Data Definition (DDL Source) <(>&<)>1.
If the field was added directly to the CDS view, remove the field.
If the field was added to the CDS view as enhancement, click the
enhancement icon to navigate to the Extend View. Remove the field from
the Extend View.
If the field is the only field in the Extend View, remove the complete
Extend View.

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_FLD055 - Remove field from Core Data Services (CDS) view &1. ?

  The SAP error message CFD_ABAP_MANAGED_FLD055 indicates that a field in a Core Data Services (CDS) view is managed by the ABAP layer and cannot be included in the CDS view definition. This typically occurs when a field is defined in a way that is incompatible with the CDS view's structure or when it is not allowed to be part of the CDS view due to its nature.
  Cause:
  
  Field Management: The field in question is managed by the ABAP layer, which means it is not intended to be directly included in a CDS view.
  Incompatibility: The field may be incompatible with the data model of the CDS view, such as being a calculated field or a field that requires specific handling.
  Field Type: The field type may not be supported in the context of the CDS view.
  
  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 in the relevant transaction (e.g., SE11 or SE80).
  Check Field Definition: Review the definition of the field in the underlying data source (e.g., database table or view) to ensure it is compatible with the CDS view.
  Use Alternative Fields: If you need similar data, consider using alternative fields that are compatible with the CDS view.
  Consult Documentation: Refer to SAP documentation or the CDS view's technical specifications to understand the limitations and requirements for fields in CDS views.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) is a framework for defining semantically rich data models in SAP. It allows for the creation of views that can be consumed by various applications.
  ABAP Managed Fields: These are fields that are managed by the ABAP runtime environment and may have specific constraints regarding their use in CDS views.
  SAP Notes and Community: Check SAP Notes for any specific issues related to this error message, and consider consulting the SAP Community for insights from other developers who may have encountered similar issues.
  
  If you continue to face challenges, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and requirements.