How To Fix CNV_PE_CHECK266 - Reference parameter &1 of parameter &2 does not belong to interface

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_CHECK - Check Framework messages for posting engine

• Message number: 266

• Message text: Reference parameter &1 of parameter &2 does not belong to interface

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_CHECK266 - Reference parameter &1 of parameter &2 does not belong to interface ?

  The SAP error message CNV_PE_CHECK266 indicates that there is a mismatch in the parameters being used in a function module or method call. Specifically, it states that the reference parameter &1 does not belong to the interface of the parameter &2. This typically occurs during data migration or conversion processes, especially when using the SAP Conversion Tools.
  Cause:
  
  
  Parameter Mismatch: The reference parameter being passed does not match the expected parameters defined in the interface of the function module or method. This could be due to:
  
  Incorrect parameter names.
  Incorrect data types.
  The parameter not being defined in the interface at all.
  
  
  
  Changes in Function Module: If the function module or method has been modified (e.g., parameters added or removed), and the calling program has not been updated accordingly, this error can occur.
  
  
  Version Issues: If there are version discrepancies between the calling program and the function module, it may lead to this error.
  
  
  Solution:
  
  
  Check Parameter Definitions: Review the interface of the function module or method being called. Ensure that the parameters being passed match the expected parameters in terms of names, types, and order.
  
  
  Update Calling Program: If the function module has been changed, update the calling program to align with the new interface. This may involve modifying the parameter names or types in the calling code.
  
  
  Debugging: Use the debugger to trace the execution and identify where the mismatch occurs. This can help pinpoint the exact parameters causing the issue.
  
  
  Documentation Review: Check the SAP documentation or release notes for any changes made to the function module or method that might affect its parameters.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  
  
  Related Information:
  
  Function Module Documentation: Review the documentation for the specific function module or method to understand its parameters and expected data types.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.