How To Fix R7B299 - External key of characteristic &1 is a navigation attribute

R7B299 - Overview

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 299

• Message text: External key of characteristic &1 is a navigation attribute

What causes this issue?

You have specified navigation attribute &V2& as the external key of the
UUID characteristic &V1&. This may lead to an unexpected system response
at query runtime.

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?

We recommend that you use a display attribute.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

R7B299 - Details

• The SAP error message R7B299 indicates that there is an issue with the external key of a characteristic being treated as a navigation attribute. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with InfoObjects and their attributes.
  
  Cause:
  The error arises when you attempt to use an external key for a characteristic that is defined as a navigation attribute. Navigation attributes are used to provide additional context to a characteristic but are not meant to be used as primary keys or external keys in certain operations. This can happen in scenarios such as:
  
  Trying to load data into a data model where the external key is not compatible with the navigation attribute.
  Incorrect configuration of InfoObjects or attributes in the data model.
  Mismatched data types or structures between the source data and the target InfoObject.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the InfoObject Configuration:
  
  Go