How To Fix RSRTS_CDS220 - Alias &1: Invalid unit &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 220

• Message text: Alias &1: Invalid unit &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS220 - Alias &1: Invalid unit &2 ?

  The SAP error message RSRTS_CDS220 with the description "Alias &1: Invalid unit &2" typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with Composite Data Sources (CDS) or when executing queries that involve units of measure.
  Cause:
  This error generally indicates that there is an issue with the unit of measure being used in the query or report. The specific causes can include:
  
  Invalid Unit of Measure: The unit specified in the query does not exist or is not recognized in the system.
  Alias Issues: The alias specified in the query may not be correctly defined or may not correspond to a valid unit of measure.
  Data Model Changes: Changes in the underlying data model or data source that affect the units of measure.
  Configuration Issues: There may be configuration issues in the BW or HANA system that affect how units are handled.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Unit of Measure:
  
  Verify that the unit of measure specified in the query is valid and exists in the system.
  Ensure that the unit is correctly defined in the relevant InfoObject or data model.
  
  
  
  Review the Alias:
  
  Check the alias specified in the error message. Ensure that it is correctly defined and corresponds to a valid unit of measure.
  If necessary, update the alias to point to the correct unit.
  
  
  
  Data Source Validation:
  
  Validate the data source or Composite Data Source (CDS) to ensure that it is correctly configured and that all necessary units of measure are included.
  
  
  
  Check for Changes:
  
  If there have been recent changes to the data model or data sources, review those changes to ensure they have not introduced inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP BW or HANA you are using for any known issues or additional troubleshooting steps.
  
  
  
  Testing:
  
  After making changes, test the query again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Transaction Codes: Use transaction codes like RSRT (Query Monitor) to analyze and debug the query that is causing the error.
  
  If the issue persists after following these steps, it may be beneficial to involve your SAP Basis or BW team for further investigation.