How To Fix LRM_RULE_EXEC337 - Type of field &1-&2 = &3 is not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: LRM_RULE_EXEC - Runtime

• Message number: 337

• Message text: Type of field &1-&2 = &3 is not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LRM_RULE_EXEC337 - Type of field &1-&2 = &3 is not permitted ?

  The SAP error message LRM_RULE_EXEC337 indicates that there is an issue with the data type of a field in a rule execution context. Specifically, the message states that the type of the field (identified by &1, &2, and &3 placeholders) is not permitted for the operation being attempted.
  Cause:
  This error typically arises in the context of Business Rules Management (BRM) or when executing certain business logic that involves data validation or processing. The specific causes can include:
  
  
  Data Type Mismatch: The field being processed has a data type that is not compatible with the expected type for the operation. For example, trying to perform arithmetic operations on a string field.
  
  
  Incorrect Field Configuration: The field may not be configured correctly in the system, leading to an unexpected data type being assigned.
  
  
  Rule Logic Error: There may be an error in the business rule logic that is causing the system to expect a different data type than what is provided.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Field Definitions: Review the definitions of the fields involved (the ones represented by &1, &2, and &3) to ensure that they are correctly defined in the system and that their data types are appropriate for the operations being performed.
  
  
  Review Business Rules: If you are using BRM, check the business rules that are being executed. Ensure that the logic is correct and that the expected data types match the actual data types of the fields.
  
  
  Data Validation: Implement data validation checks before executing the rules to ensure that the data types are as expected. This can help prevent the error from occurring.
  
  
  Debugging: If you have access to debugging tools, you can trace the execution of the rules to identify where the type mismatch is occurring.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and the context in which it occurs.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to Business Rules Management (e.g., BRF+).
  Data Dictionary: Use transaction SE11 to review the data dictionary for the fields involved to understand their definitions and data types.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.