How To Fix CNV_PE647 - Parameter &1 must be export parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 647

• Message text: Parameter &1 must be export parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE647 - Parameter &1 must be export parameter ?

  The SAP error message "CNV_PE647 Parameter &1 must be export parameter" typically occurs in the context of SAP data migration or conversion processes, particularly when using the SAP Conversion Tools or during the execution of custom programs that involve parameter handling.
  Cause:
  This error indicates that a parameter that is expected to be an export parameter is not defined as such in the program or function module. In SAP ABAP, parameters can be defined as import, export, or changing parameters. An export parameter is one that is intended to return a value to the calling program or function.
  Solution:
  To resolve this error, you should:
  
  
  Check the Function Module/Method Definition:
  
  Go to the function module or method where the error is occurring.
  Ensure that the parameter in question (denoted by &1 in the error message) is defined as an export parameter.
  
  
  
  Modify the Parameter Definition:
  
  If the parameter is incorrectly defined as an import parameter, change its definition to an export parameter.
  This can be done in the function module or method interface definition.
  
  
  
  Review Calling Program:
  
  Check the program or function that is calling the function module. Ensure that it is correctly handling the parameters as expected.
  
  
  
  Test the Changes:
  
  After making the necessary changes, test the function/module again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the parameter definitions, refer to the SAP documentation or the specific documentation for the conversion tool you are using.
  
  
  
  Related Information:
  
  ABAP Parameter Types: Understanding the different types of parameters in ABAP (import, export, changing) is crucial for debugging such issues.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.