How To Fix KX618 - Field &1 is already defined as &2 -> Choose another name

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 618

• Message text: Field &1 is already defined as &2 -> Choose another name

What causes this issue?

The environment of a structure contains a field catalog which contains
all the fields of all generated (and saved) data structures. If a field
is contained once in the field catalog, it and its attributes can no
longer be changed.

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?

If you wish to use a field from the field catalog, you need to select
it using the appropriate menu option. If you wish to define a new
field, you must give it a name which is not already contained in the
field catalog.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KX618 - Field &1 is already defined as &2 -> Choose another name ?

  The SAP error message KX618 indicates that there is a naming conflict in the system. Specifically, it means that the field you are trying to define or use is already defined with the same name in the system, and you need to choose a different name to avoid this conflict.
  Cause:
  
  Duplicate Field Name: The field name you are trying to create or modify already exists in the system, either in the same context or in a related context.
  Namespace Issues: If you are working in a custom namespace, there might be conflicts with standard SAP fields or other custom fields.
  Incorrect Configuration: Sometimes, this error can arise from incorrect configuration settings or attempts to redefine existing fields.
  
  Solution:
  
  Choose a Different Name: The simplest solution is to rename the field you are trying to create or modify. Ensure that the new name is unique and does not conflict with existing field names.
  Check Existing Definitions: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to search for existing fields with the same name. This will help you understand where the conflict is occurring.
  Review Custom Developments: If you are working in a custom development environment, review any custom fields or structures that may be causing the conflict.
  Consult Documentation: If you are unsure about naming conventions or reserved names, refer to SAP documentation or guidelines for naming fields and objects.
  Namespace Management: If you are in a multi-client environment, ensure that you are using the correct namespace for your custom developments to avoid conflicts with standard SAP objects.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11, SE80, and SE37 for managing data dictionary objects, function modules, and other related components.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. Sometimes, SAP provides patches or updates that can resolve underlying issues.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the KX618 error and proceed with your development or configuration tasks in SAP.