How To Fix RSDTM179 - Classification setting with output through "&1" not specified uniquely

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDTM - Data Mining Connection Messages

• Message number: 179

• Message text: Classification setting with output through "&1" not specified uniquely

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDTM179 - Classification setting with output through "&1" not specified uniquely ?

  The SAP error message RSDTM179 indicates that there is an issue with the classification settings in the context of a DataSource or InfoObject. Specifically, it means that the classification setting for the output through a certain field (represented by "&1") is not uniquely defined. This can occur in scenarios where multiple classifications or settings are conflicting or not properly configured.
  Cause:
  
  Ambiguous Classification: The classification settings for the output field are not uniquely defined, which means that the system cannot determine which classification to use.
  Multiple Entries: There may be multiple entries in the classification settings for the same output field, leading to ambiguity.
  Configuration Errors: Incorrect or incomplete configuration in the DataSource or InfoObject settings can lead to this error.
  Changes in Data Model: If there have been recent changes to the data model or InfoObjects, it may have resulted in inconsistencies.
  
  Solution:
  
  
  Check Classification Settings:
  
  Go to the relevant DataSource or InfoObject in the SAP system.
  Review the classification settings for the output field mentioned in the error message.
  Ensure that there is a unique classification defined for the output field.
  
  
  
  Remove Duplicates:
  
  If there are multiple entries for the same classification, remove or consolidate them to ensure that only one unique classification exists.
  
  
  
  Adjust Configuration:
  
  If the configuration is incorrect, adjust it to ensure that it aligns with the intended data model and classification requirements.
  
  
  
  Re-activate DataSource/InfoObject:
  
  After making changes, you may need to re-activate the DataSource or InfoObject to ensure that the changes take effect.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, check if the transport included all necessary objects and configurations.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific DataSource or InfoObject for any additional guidance or known issues.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) or RSD1 (InfoObject Maintenance) to access and modify the relevant settings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with the error details and any steps you have already taken.
  
  By following these steps, you should be able to resolve the RSDTM179 error and ensure that the classification settings are correctly defined.