How To Fix CNV_10020731 - &1 &2: In the passed parameter, proxy &4 refers to undefined proxy &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 731

• Message text: &1 &2: In the passed parameter, proxy &4 refers to undefined proxy &3

What causes this issue?

The passed parameter of the interface contains a proxy &V4& that refers
to another proxy &V3& that is undefined.

How to fix this error?

Define the proxy &V3& and its value using transaction CNV_10020_PROXYF.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020731 - &1 &2: In the passed parameter, proxy &4 refers to undefined proxy &3 ?

  The SAP error message CNV_10020731 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a reference to a proxy that has not been defined or is not available in the context of the operation being performed.
  Cause:
  The error message can arise due to several reasons:
  
  Undefined Proxy: The proxy referred to in the error message (&3) has not been defined in the system or is not available in the current context.
  Configuration Issues: There may be issues with the configuration of the migration or conversion project, leading to missing or incorrect mappings.
  Data Model Changes: If there have been changes in the data model or structure, the proxies may not align with the current definitions.
  Transport Issues: If the proxies were supposed to be transported from another system and the transport did not include them, this could lead to the error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Proxy Definitions: Verify that the proxy &3 is defined in the system. You can do this by checking the relevant configuration or data model settings.
  
  
  Review Migration Settings: Go through the migration or conversion settings to ensure that all necessary proxies are correctly defined and mapped.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes or updates related to this issue.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration or conversion tool you are using to ensure that you are following the correct procedures.
  
  
  Debugging: If you have access to debugging tools, you can trace the execution to see where the undefined proxy is being referenced and gather more context about the error.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support with the details of the error message and the context in which it occurred. They may provide specific guidance or patches to resolve the issue.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.