How To Fix FDT_CORE209 - &1 cannot be deleted; object is still used

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 209

• Message text: &1 cannot be deleted; object is still used

What causes this issue?

You have tried to delete the object &V1&. However, the object is still
referenced by other objects and therefore cannot be deleted.

System Response

The object cannot be deleted.

How to fix this error?

In order to get the object deleted, choose one of the following
alternatives:
Mark the object for deletion. The system will collect all objects marked
for deletion so that you can delete them at a later point in time (given
that there are no more referencing objects then). It is also possible
for an application to provide a function to check whether there are any
objects marked for deletion which can actually be deleted.
Delete the usages of the object. You can use the where-used
functionality to determine which objects contain references to object
&v1&.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE209 - &1 cannot be deleted; object is still used ?

  The SAP error message FDT_CORE209 indicates that a specific object (like a field, data element, or other configuration) cannot be deleted because it is still in use or referenced by other objects in the system. This is a common issue when trying to clean up or modify configurations in SAP, particularly in the context of Field Data Tool (FDT) or similar functionalities.
  Cause:
  
  Active References: The object you are trying to delete is still being referenced by other objects, such as forms, data models, or other configurations.
  Dependencies: There may be dependencies that are not immediately visible, such as links to other data elements, fields, or processes.
  Transport Requests: If the object is part of a transport request that is still active or not fully processed, it may prevent deletion.
  
  Solution:
  
  Identify References: Use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to check where the object is being used. Look for any dependent objects that reference the one you are trying to delete.
  Remove Dependencies: If you find any dependent objects, you will need to either delete or modify them to remove the references to the object you want to delete.
  Check Transport Requests: Ensure that the object is not part of any active transport requests. If it is, you may need to release or adjust the transport request.
  Use FDT Tools: If you are working within the Field Data Tool, use the FDT interface to check for any active usages of the object. The tool may provide insights into where the object is being used.
  Consult Documentation: Review any documentation or guidelines related to the specific object type you are working with, as there may be specific procedures for handling deletions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE80, SE37, and FDT-specific transactions.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the FDT_CORE209 error.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  Testing Environment: If possible, replicate the issue in a development or testing environment to safely explore the dependencies and references without affecting production data.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate actions to resolve it.