How To Fix BRAIN_DEV100 - &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: 100

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

What causes this issue?

The formula "&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_DEV100 - &1: exception aggregation ref. characteristic has incorrect data type ?

  The SAP error message BRAIN_DEV100 indicates that there is an issue with the data type of a characteristic used in an exception aggregation in SAP BW (Business Warehouse) or SAP BW/4HANA. This error typically arises when the data type of the characteristic does not match the expected type for the aggregation operation being performed.
  
  Cause:
  
  Data Type Mismatch: The characteristic used in the exception aggregation is expected to be of a certain data type (e.g., numeric, string), but the actual data type is different.
  Incorrect Configuration: The configuration of the InfoObject or the aggregation settings may not align with the data model or the expected input types.
  Data Source Issues: The data source feeding into the InfoProvider may have inconsistencies or incorrect data types defined.
  
  
  Solution:
  
  
  Check Characteristic Data Type:
  
  Go to the InfoObject definition in the SAP BW system.
  Verify the data type of the characteristic that is causing the error. Ensure it matches the expected data