How To Fix FMCA_BRF002 - Field &1 in structure &2 cannot be aggregated using function &3

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_BRF - FMCA -> BRF Interface

• Message number: 002

• Message text: Field &1 in structure &2 cannot be aggregated using function &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_BRF002 - Field &1 in structure &2 cannot be aggregated using function &3 ?

  The SAP error message FMCA_BRF002 indicates that there is an issue with the aggregation of a field in a structure when using a specific function in the Business Rule Framework (BRF). This error typically arises in scenarios where the system is trying to perform an aggregation operation on a field that is not suitable for that operation based on its data type or configuration.
  Cause:
  
  Incompatible Data Type: The field specified in the error message may have a data type that does not support aggregation (e.g., a string or a non-numeric type).
  Incorrect Function Usage: The function being used for aggregation may not be appropriate for the field type. For example, trying to sum a text field.
  Field Configuration: The field may not be configured correctly in the BRF rules or the underlying data structure, leading to aggregation issues.
  Missing Aggregation Logic: There may be no defined aggregation logic for the specified field in the context of the function being used.
  
  Solution:
  
  Check Data Types: Verify the data type of the field in the structure. Ensure that it is a numeric type if you are trying to perform a mathematical aggregation (like SUM, AVG, etc.).
  Review Function Usage: Ensure that the function you are using is appropriate for the field. If you are trying to aggregate a field, make sure that the function supports the type of aggregation you are attempting.
  Adjust Field Configuration: If the field is not set up correctly in the BRF, you may need to adjust its configuration to allow for aggregation.
  Define Aggregation Logic: If the field requires specific aggregation logic, ensure that it is defined in the BRF rules. You may need to create or modify rules to handle the aggregation correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the BRF and aggregation functions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  BRF Configuration: Familiarize yourself with the Business Rule Framework configuration and how to define rules and functions properly.
  Data Dictionary: Review the data dictionary (SE11) to understand the structure and data types of the fields involved.
  Testing: After making changes, test the rules in a development or test environment to ensure that the error is resolved before moving to production.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a technical expert familiar with BRF and the specific application context.