How To Fix SD_CDS_PROJECTION021 - Redefined Associations are not supported yet.

SD_CDS_PROJECTION021 - Overview

• Message type: E = Error

• Message class: SD_CDS_PROJECTION - Message for Projection Entities

• Message number: 021

• Message text: Redefined Associations are not supported yet.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_CDS_PROJECTION021 - Redefined Associations are not supported yet. ?

  The SAP error message SD_CDS_PROJECTION021 with the description "Redefined Associations are not supported yet" typically occurs in the context of Core Data Services (CDS) views in SAP, particularly when working with the SAP S/4HANA system. This error indicates that there is an issue with the way associations are defined in the CDS view.
  
  Cause:
  The error arises when you attempt to redefine an association in a CDS view. In SAP CDS, associations are used to define relationships between different entities (tables or views). However, certain types of redefinitions or modifications to existing associations are not supported, leading to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the CDS View Definition: Check the definition of the CDS view where the error occurs. Look for any associations that may be redefined or incorrectly specified.
  
  
  Avoid Redefining Associations: If you are trying to redefine an existing association, consider using the original association instead.