How To Fix RSFBP121 - Direct usage (inheritance) is not set for key field &1 with association

RSFBP121 - Overview

• Message type: E = Error

• Message class: RSFBP - Open ODS Layer Object

• Message number: 121

• Message text: Direct usage (inheritance) is not set for key field &1 with association

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSFBP121 - Direct usage (inheritance) is not set for key field &1 with association ?

  The SAP error message RSFBP121 indicates that there is an issue with the configuration of a key field in a data model, specifically related to direct usage (inheritance) not being set for a key field with an association. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA modeling, where data models are defined with associations between different entities.
  
  Cause:
  The error occurs when:
  
  A key field in a data model is associated with another entity, but the direct usage (inheritance) setting is not configured correctly.
  The key field is expected to inherit properties or values from the associated entity, but this inheritance is not defined, leading to inconsistencies in the data model.
  
  
  Solution:
  To resolve the RSFBP121 error, you can follow these steps:
  
  
  Check the Data Model Configuration:
  
  Open the data model where the error is occurring.
  Identify the key field mentioned in the error message (denoted as &1).
  Review the associations related to