How To Fix CFD_ABAP_MANAGED_FLD012 - Remove field from structure &1. Do not activate changes.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 012

• Message text: Remove field from structure &1. Do not activate changes.

What causes this issue?

To use your database field in the app Custom Fields and Logic, the field
needed to be appended to the extension include structure <(>&<)>2. After
you appended the field, it needs to be removed from its current
location, append structure, or customer include <(>&<)>1.

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 transaction SE11.
Open the append structure or customer include <(>&<)>1 for editing.
If the append structure or customer include <(>&<)>1 contains more than
one field, remove the row with your database field and save your changes
but do not activate them yet.
If the append structure or customer include <(>&<)>1 contains only one
field, add a new row and introduce a dummy field temporarily. Save your
changes. After all other changes have been applied as well, you can
delete the append structure together with this dummy field.

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_FLD012 - Remove field from structure &1. Do not activate changes. ?

  The SAP error message CFD_ABAP_MANAGED_FLD012 indicates that there is an issue with a field in a structure that is managed by the ABAP Dictionary. This error typically arises when you attempt to activate changes to a structure that includes a field that should not be present or is not allowed in that context.
  Cause:
  
  Field Management: The field in question is likely managed by the ABAP Dictionary and is not allowed to be included in the structure you are trying to activate. This can happen if the field is marked for deletion or if it is not compatible with the structure's definition.
  Inconsistent State: The structure may be in an inconsistent state due to previous changes that were not properly activated or due to dependencies on other objects.
  Field Usage: The field might be used in other database objects or programs, and removing it could lead to inconsistencies.
  
  Solution:
  
  Remove the Field: As the error message suggests, you need to remove the field from the structure. You can do this by editing the structure in the ABAP Dictionary (transaction SE11) and deleting the problematic field.
  Check Dependencies: Before removing the field, check if it is being used in other programs, function modules, or database tables. You can use the "Where-Used List" functionality in SE11 to find dependencies.
  Activate Changes: After removing the field, try to activate the structure again. Ensure that there are no other errors or warnings that need to be addressed.
  Review Documentation: If you are unsure why the field is managed or why it cannot be included, refer to the SAP documentation or consult with your SAP Basis or ABAP team for further insights.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE37 (Function Module), SE38 (ABAP Program).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Version Compatibility: Ensure that your SAP system is up to date, as certain issues may be resolved in newer versions or patches.
  
  If you continue to face issues after following these steps, consider reaching out to SAP support or your internal SAP team for further assistance.