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

RSB_GUI042 - Overview

• 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.

RSB_GUI042 - Details

• 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