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