How To Fix RSRTS_CDS216 - Entry &1: Unit &2 (alias &3) is not used and will be ignored

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 216

• Message text: Entry &1: Unit &2 (alias &3) is not used and will be ignored

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 RSRTS_CDS216 - Entry &1: Unit &2 (alias &3) is not used and will be ignored ?

  The SAP error message RSRTS_CDS216 indicates that there is an issue with a characteristic or unit in a Composite Data Source (CDS) that is not being utilized in the context of the query or report you are trying to execute. Specifically, the message states that an entry (characteristic or unit) is not used and will be ignored.
  Cause:
  
  Unused Characteristics/Units: The characteristic or unit specified in the error message is defined in the CDS view but is not being referenced in the query or report.
  Modeling Issues: There may be a modeling issue where the characteristic or unit was included in the CDS view but is not relevant for the current context of the data extraction or reporting.
  Changes in Data Model: If there have been recent changes to the data model or the underlying data sources, it may lead to certain characteristics or units becoming obsolete or unused.
  
  Solution:
  
  Review the CDS View: Check the definition of the CDS view to see if the characteristic or unit is necessary for your reporting needs. If it is not needed, you can consider removing it from the CDS view.
  Update the Query: If the characteristic or unit is required, ensure that it is included in the query or report you are executing. You may need to modify the query to utilize the characteristic or unit.
  Check for Dependencies: Ensure that there are no dependencies or relationships that require the characteristic or unit to be included in the query.
  Consult Documentation: Review the documentation for the CDS view and the associated query to understand the intended use of the characteristics and units.
  Testing: After making changes, test the query or report again to ensure that the error message no longer appears and that the data is being retrieved as expected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific CDS view or error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Performance Considerations: If the characteristic or unit is not used, it may be beneficial for performance to remove it from the CDS view to streamline data retrieval.
  
  By addressing the cause of the error and implementing the suggested solutions, you should be able to resolve the RSRTS_CDS216 error and ensure that your queries and reports function correctly.