How To Fix BRAIN884 - No exception aggregation in BWA for &1 as exception aggr. not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 884

• Message text: No exception aggregation in BWA for &1 as exception aggr. not supported

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN884 - No exception aggregation in BWA for &1 as exception aggr. not supported ?

  The SAP error message BRAIN884 indicates that there is an issue with exception aggregation in the context of SAP BW (Business Warehouse) and BWA (Business Warehouse Accelerator). This error typically arises when you are trying to use exception aggregation on a characteristic that does not support it.
  Cause:
  The error occurs because:
  
  Unsupported Exception Aggregation: The characteristic you are trying to use for exception aggregation does not support this feature. Exception aggregation is a specific type of aggregation that allows for different aggregation rules for different values of a characteristic.
  Model Configuration: The InfoProvider or the query may not be configured correctly to handle exception aggregation.
  Data Model Limitations: Certain data models or structures in BW may not support exception aggregation due to their design.
  
  Solution:
  To resolve the BRAIN884 error, you can take the following steps:
  
  
  Check Characteristic Settings:
  
  Verify that the characteristic you are using for exception aggregation is set up correctly in the InfoObject settings. Ensure that it is marked as supporting exception aggregation.
  
  
  
  Review Query Design:
  
  Open the query in the Query Designer and check the aggregation settings. Make sure that the exception aggregation is applied to the correct characteristics and that they are supported.
  
  
  
  Modify Aggregation Logic:
  
  If the characteristic does not support exception aggregation, consider modifying your query to use standard aggregation methods instead. You may need to redesign the query to avoid using exception aggregation for unsupported characteristics.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or the BW/BI community for specific guidelines on exception aggregation and supported characteristics. This can provide insights into which characteristics can be used with exception aggregation.
  
  
  
  Check for Updates:
  
  Ensure that your SAP BW and BWA systems are up to date with the latest patches and updates, as there may be improvements or bug fixes related to exception aggregation.
  
  
  
  Testing:
  
  After making changes, test the query again to see if the error persists. If it does, further investigation into the data model and query design may be necessary.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to BRAIN884 for any specific fixes or recommendations provided by SAP.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the SAP BW documentation for detailed information on exception aggregation and its limitations.
  
  By following these steps, you should be able to identify the cause of the BRAIN884 error and implement a suitable solution.