How To Fix BRAIN886 - No exceptn aggr. in BWA for &1 because of mandatory char. &2 (reason: &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 886

• Message text: No exceptn aggr. in BWA for &1 because of mandatory char. &2 (reason: &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN886 - No exceptn aggr. in BWA for &1 because of mandatory char. &2 (reason: &3) ?

  The SAP error message BRAIN886 indicates that there is an issue with the aggregation in the Business Warehouse Accelerator (BWA) due to a mandatory characteristic that is not being handled correctly. Here’s a breakdown of the components of the error message and potential solutions:
  Cause:
  
  Mandatory Characteristic: The error suggests that there is a mandatory characteristic (denoted as &2 in the message) that is required for the aggregation process but is not available or not properly defined in the context of the query or the data model.
  Data Model Issues: There may be inconsistencies or misconfigurations in the data model, such as missing attributes or incorrect settings in the InfoObjects.
  Query Design: The query being executed may not be designed to handle the mandatory characteristic properly, leading to the inability to perform the required aggregation.
  
  Solution:
  
  
  Check the Data Model:
  
  Verify that the mandatory characteristic (&2) is correctly defined in the InfoObject and is included in the relevant data model.
  Ensure that the characteristic is properly populated in the data source and that there are no missing values.
  
  
  
  Review Query Design:
  
  Open the query in the Query Designer and check if the mandatory characteristic is included in the query definition.
  If the characteristic is not needed for the analysis, consider making it optional if possible.
  
  
  
  Update Aggregation Settings:
  
  If the characteristic is indeed required, ensure that the aggregation settings in the BWA are correctly configured to include this characteristic.
  You may need to reprocess the aggregation or refresh the BWA index to ensure that it recognizes the mandatory characteristic.
  
  
  
  Check for Data Consistency:
  
  Run data consistency checks to ensure that there are no issues with the data that could be causing the aggregation to fail.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to BWA and the specific characteristics involved for any additional guidance or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  BWA Administration: Familiarize yourself with BWA administration tasks, including how to manage and monitor the BWA environment.
  Performance Considerations: Understand how the presence of mandatory characteristics can impact query performance and aggregation in BWA.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.