How To Fix BRAIN_DEV099 - &1: exception aggregation ref. characteristic has incorrect data type

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN_DEV - BRAIN messages (for use by development)

• Message number: 099

• Message text: &1: exception aggregation ref. characteristic has incorrect data type

What causes this issue?

The calculated key figure "&V1&" with the exception aggregation "&V2& [
&V3&]" has the exception aggregation reference characteristic "&V4&".
For the exception aggregation "&V2& [&V3&]" only reference
characteristic of the following data types are allowed:
NUMC - Character string with only digits
DATS - Date field (YYYYMMDD) stored as char(8)
TIMS - time field (hhmmss), stored as char(6)
The exception aggregation reference characteristic "&V4&" has a
different data type.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN_DEV099 - &1: exception aggregation ref. characteristic has incorrect data type ?

  The SAP error message BRAIN_DEV099 indicates that there is an issue with the data type of a reference characteristic used in an exception aggregation. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with queries or data models that involve exception aggregation.
  Cause:
  The error is caused by a mismatch in the data types of the reference characteristic used in the exception aggregation. For example, if the reference characteristic is expected to be of a certain data type (like numeric or date) but is defined as a different type (like string or text), the system will throw this error.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Data Type of the Reference Characteristic:
  
  Go to the data model or InfoObject definition in SAP BW.
  Verify the data type of the reference characteristic that is causing the issue.
  
  
  
  Correct the Data Type:
  
  If the data type is incorrect, you may need to change it to match the expected type for the exception aggregation.
  This may involve modifying the InfoObject or the underlying data source.
  
  
  
  Review the Query or Data Model:
  
  Check the query or data model where the exception aggregation is defined.
  Ensure that all characteristics used in the aggregation are compatible in terms of data types.
  
  
  
  Rebuild the Aggregation:
  
  If necessary, you may need to delete and recreate the exception aggregation to ensure that it picks up the correct data types.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, test the query or data model to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Exception Aggregation: This is a feature in SAP BW that allows for special handling of certain data points during aggregation, such as ignoring certain values or applying specific rules.
  Data Types in SAP BW: Common data types include CHAR (character), NUM (numeric), DATE (date), and TIME (time). Ensure that the data types align with the expected formats for the operations being performed.
  SAP Notes and Documentation: Check SAP Notes for any specific patches or updates related to this error message. SAP's official documentation can also provide insights into best practices for defining characteristics and aggregations.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.