How To Fix CNV_PE_IF_RT050 - At call of TRule &1 formal and actual parameter type incompatible

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_IF_RT - PE: Interfaces Runtime generation

• Message number: 050

• Message text: At call of TRule &1 formal and actual parameter type incompatible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_IF_RT050 - At call of TRule &1 formal and actual parameter type incompatible ?

  The SAP error message CNV_PE_IF_RT050 indicates that there is a mismatch between the formal and actual parameter types in a function module or method call, specifically in the context of a transformation rule (TRule). This error typically arises during data migration or conversion processes, often when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  
  
  Parameter Type Mismatch: The actual parameter being passed to a function or method does not match the expected type defined in the function's signature. This could be due to:
  
  Incorrect data type (e.g., passing a string where a numeric value is expected).
  Mismatched structures or tables.
  Changes in the data model that have not been reflected in the transformation rules.
  
  
  
  Inconsistent Data Mapping: If the mapping between source and target fields is not correctly defined, it can lead to this error.
  
  
  Versioning Issues: If there are different versions of the function module or method being called, the expected parameters may have changed.
  
  
  Solution:
  
  
  Check Parameter Types: Review the function module or method definition to ensure that the types of the actual parameters being passed match the expected types. This includes checking:
  
  Data types (e.g., CHAR, NUMC, INT, etc.).
  Structures and tables for compatibility.
  
  
  
  Review Transformation Rules: Go through the transformation rules (TRules) to ensure that the mappings are correctly defined and that the data types align with the source and target fields.
  
  
  Debugging: If possible, use debugging tools to trace the execution and identify the exact point where the error occurs. This can help pinpoint which parameter is causing the issue.
  
  
  Update Function Module: If the function module has been updated or changed, ensure that the calling code is also updated to reflect these changes.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific function module or transformation process you are using. There may be known issues or additional guidance available.
  
  
  Testing: After making changes, thoroughly test the transformation process to ensure that the error is resolved and that data is being processed correctly.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  Data Migration Tools: Familiarize yourself with the tools and methodologies used for data migration in SAP, as they often have specific requirements and best practices.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_PE_IF_RT050 error in your SAP environment.