How To Fix UJB_EXCEPTION121 - BPF: '&1' cannot be a group by condition in process monitor

SAP Error Message - Details

• Message type: E = Error

• Message class: UJB_EXCEPTION - BPC: BPF Message Class

• Message number: 121

• Message text: BPF: '&1' cannot be a group by condition in process monitor

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJB_EXCEPTION121 - BPF: '&1' cannot be a group by condition in process monitor ?

  The SAP error message UJB_EXCEPTION121 with the description "BPF: '&1' cannot be a group by condition" typically occurs in the context of Business Planning and Consolidation (BPC) when there is an issue with the way data is being aggregated or grouped in a query or report.
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid Group By Condition: The field or dimension specified in the query or report is not valid for grouping. This can happen if the field is not part of the data model or if it is not appropriate to group by that field in the context of the query.
  
  
  Data Model Issues: There may be inconsistencies or misconfigurations in the data model that prevent the system from processing the group by condition correctly.
  
  
  Query Design: The query may be designed in a way that conflicts with the underlying data structure, such as trying to group by a calculated field or a field that does not have a unique value for each group.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Query: Check the query or report that is generating the error. Ensure that the fields used in the GROUP BY clause are valid and appropriate for the data being processed.
  
  
  Check Data Model: Verify the data model to ensure that all dimensions and measures are correctly defined and that there are no inconsistencies.
  
  
  Modify Group By Conditions: If you identify that a specific field is causing the issue, consider removing it from the GROUP BY clause or replacing it with a valid field.
  
  
  Consult Documentation: Refer to SAP BPC documentation or help resources for guidance on valid grouping conditions and best practices for query design.
  
  
  Test Changes: After making adjustments, test the query again to see if the error persists.
  
  
  Seek Support: If the issue continues, consider reaching out to SAP support or your internal IT team for further assistance, providing them with details about the query and the context in which the error occurs.
  
  
  Related Information:
  
  SAP BPC Documentation: Review the official SAP documentation for Business Planning and Consolidation for more details on query design and data modeling.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Error Logs: Check the application logs for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the UJB_EXCEPTION121 error in your SAP BPC environment.