How To Fix RSB_GUI042 - An entry already exists with the field name &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSB_GUI - Open Hub Destination - GUI

• Message number: 042

• Message text: An entry already exists with the field name &1

What causes this issue?

You want to add field &V1& the open hub destination. However, a field
already exists with that name.

System Response

The field cannot be added.

How to fix this error?

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

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 RSB_GUI042 - An entry already exists with the field name &1 ?

  The SAP error message RSB_GUI042, which states "An entry already exists with the field name &1," typically occurs in the context of SAP BW (Business Warehouse) when there is an attempt to create or modify a field in a data model, InfoObject, or similar structure where a field with the same name already exists.
  Cause:
  
  Duplicate Field Names: The most common cause of this error is that you are trying to create a new field or modify an existing one, but a field with the same name already exists in the same context (e.g., in the same InfoObject or data model).
  Data Model Conflicts: If you are working with multiple data models or InfoProviders, there may be conflicts arising from similar field names across these models.
  Transport Issues: Sometimes, if changes have been transported from one system to another, there may be inconsistencies that lead to this error.
  
  Solution:
  
  Check Existing Fields: Review the existing fields in the InfoObject or data model where you are trying to create or modify a field. Ensure that the field name you are trying to use is unique.
  Rename the Field: If you find that the field name already exists, consider renaming the new field to something unique that does not conflict with existing names.
  Delete or Modify Existing Fields: If the existing field is no longer needed, you may consider deleting it or modifying it to resolve the conflict. Be cautious with this approach, as it may affect other parts of your data model.
  Review Transport Requests: If the issue arose after a transport, check the transport requests to ensure that all objects were transported correctly and that there are no inconsistencies.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP BW you are using for any additional guidance or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Testing in Development: Always test changes in a development environment before moving to production to avoid conflicts and errors.
  
  By following these steps, you should be able to resolve the RSB_GUI042 error and continue with your work in SAP BW.