How To Fix BRF142 - System unable to determine a result type

SAP Error Message - Details

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 142

• Message text: System unable to determine a result type

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BRF142 - System unable to determine a result type ?

  The SAP error message BRF142 ("System unable to determine a result type") typically occurs in the context of Business Rule Framework (BRF) applications when the system cannot identify the expected result type for a rule or decision table. This can happen for several reasons, and understanding the cause is essential for resolving the issue.
  Causes:
  
  
  Missing Result Type Definition: The result type may not be defined in the BRF configuration. Each rule or decision table should have a clearly defined result type.
  
  
  Incorrect Rule Configuration: The rules or decision tables may be incorrectly configured, leading to ambiguity in determining the result type.
  
  
  Inconsistent Data Types: If the data types of the inputs and outputs are inconsistent or incompatible, the system may fail to determine the result type.
  
  
  Versioning Issues: If there are multiple versions of the rules or decision tables, the system might be referencing an outdated or incorrect version.
  
  
  Transport Issues: If the BRF configuration was transported from one system to another, there might be missing dependencies or configurations.
  
  
  Solutions:
  
  
  Check Result Type Definition: Ensure that the result type is defined correctly in the BRF configuration. Go to the BRF workbench and verify the result type settings.
  
  
  Review Rule Configuration: Examine the rules and decision tables for any misconfigurations. Ensure that all necessary fields are filled out and that the logic is correctly set up.
  
  
  Validate Data Types: Check the data types of the inputs and outputs to ensure they are compatible. Make any necessary adjustments to align the data types.
  
  
  Check Versions: If applicable, verify that the correct version of the rules or decision tables is being used. You may need to activate or adjust the versioning settings.
  
  
  Transport Dependencies: If the issue arose after a transport, check for any missing dependencies or configurations that may not have been transported correctly. You may need to manually adjust settings in the target system.
  
  
  Debugging: If the issue persists, consider using debugging tools within SAP to trace the execution of the rules and identify where the determination of the result type fails.
  
  
  Related Information:
  
  BRF+ Documentation: Refer to the official SAP documentation for BRF+ for detailed information on configuring rules and decision tables.
  SAP Notes: Check SAP Notes for any known issues or patches related to BRF errors.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the BRF142 error and implement a suitable solution.