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

CNV_PE647 - Overview

• 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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CNV_PE647 - Details

• 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