How To Fix RSO_RES_ADSO185 - aDSO '&1' is a member of '&2': No group field name specified

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO_RES_ADSO - Datastore Object

• Message number: 185

• Message text: aDSO '&1' is a member of '&2': No group field name specified

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSO_RES_ADSO185 - aDSO '&1' is a member of '&2': No group field name specified ?

  The SAP error message RSO_RES_ADSO185 indicates that there is an issue with the configuration of an Advanced DataStore Object (aDSO) in SAP BW/4HANA or SAP BW on HANA. Specifically, the error states that aDSO '&1' is a member of '&2' and that no group field name has been specified. This typically occurs when there is a problem with the data model or the way the aDSO is set up.
  Cause:
  
  Missing Group Field: The error usually arises when a required group field is not defined in the aDSO. Group fields are used to categorize or group data within the aDSO, and if they are not specified, the system cannot process the data correctly.
  Incorrect Configuration: There may be an issue with the configuration of the aDSO or the InfoObject that is being used, leading to the absence of a necessary field.
  Data Model Changes: If there have been recent changes to the data model or the aDSO structure, it may have resulted in the loss of required fields or incorrect mappings.
  
  Solution:
  
  
  Check aDSO Configuration:
  
  Go to the aDSO definition in the SAP BW modeling tools.
  Ensure that all required fields, especially group fields, are defined correctly.
  If a group field is needed, add it to the aDSO definition.
  
  
  
  Review InfoObjects:
  
  Check the InfoObjects associated with the aDSO to ensure they are correctly configured and that all necessary attributes are included.
  Make sure that the InfoObjects used in the aDSO have the correct properties set, including any group fields.
  
  
  
  Data Model Validation:
  
  Validate the entire data model to ensure that all components are correctly linked and configured.
  If there have been recent changes, consider reverting to a previous version or reapplying the changes carefully.
  
  
  
  Re-activate the aDSO:
  
  After making the necessary changes, re-activate the aDSO to ensure that the changes take effect.
  
  
  
  Check for Notes and Updates:
  
  Look for any SAP Notes or updates related to this error message. Sometimes, SAP releases patches or notes that address specific issues.
  
  
  
  Related Information:
  
  SAP BW/4HANA Documentation: Refer to the official SAP documentation for detailed information on aDSO configuration and best practices.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) for modeling and monitoring aDSOs.
  
  By following these steps, you should be able to resolve the RSO_RES_ADSO185 error and ensure that your aDSO is configured correctly.