How To Fix RSB_GUI048 - No key field was defined

RSB_GUI048 - Overview

• Message type: E = Error

• Message class: RSB_GUI - Open Hub Destination - GUI

• Message number: 048

• Message text: No key field was defined

What causes this issue?

No key field was selected for the open hub destination.
A key is necessary, however, for destination type &1& in order to
create a corresponding table on the database.

System Response

The action is terminated.

How to fix this error?

Maintain at least one key field or set the indicator <ZK>Technical Key
</>.

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 RSB_GUI048 - No key field was defined ?

  The SAP error message RSB_GUI048: No key field was defined typically occurs in the context of SAP BW (Business Warehouse) when working with queries or InfoProviders. This error indicates that the system is unable to identify a key field for the data being processed, which is essential for uniquely identifying records in the data model.
  
  Cause:
  
  Missing Key Field Definition: The most common cause is that the InfoObject or InfoProvider does not have a key field defined. Key fields are necessary for uniquely identifying records in a data model.
  Incorrect Query Design: If you are designing a query and have not specified a key field, or if the key field is not included in the query definition, this error may occur.
  Data Source Issues: If the data source (like an InfoCube or DataStore Object) does not have a proper key field defined, it can lead to this error.
  Transport Issues: If the object was transported