How To Fix CNV_10020648 - No proxy defined for &1-&2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 648

• Message text: No proxy defined for &1-&2

What causes this issue?

The combination of field &V1& and component &V2& separated by a dash
exceeds the length of 30 characters. Therefore it cannot be used as a
field name.

How to fix this error?

Define a proxy in pacakge &V3& for the extended fieldname &V1&-&V2&
using transaction CNV_10020_PROXYF and use the proxy as field name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020648 - No proxy defined for &1-&2 ?

  The SAP error message CNV_10020648 No proxy defined for &1-&2 typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is no proxy defined for the specified source and target system combination.
  Cause:
  
  Missing Proxy Configuration: The error usually arises when the system is unable to find a defined proxy for the source and target systems specified in the migration or conversion process.
  Incorrect Source/Target Specification: The parameters &1 and &2 in the error message represent the source and target system identifiers. If these are incorrectly specified or do not match any existing configuration, the error will occur.
  Transport Issues: If the necessary transport requests that include the proxy definitions have not been imported into the target system, this can lead to the error.
  Authorization Issues: Sometimes, the user executing the migration may not have the necessary authorizations to access the proxy definitions.
  
  Solution:
  
  
  Check Proxy Configuration:
  
  Go to the transaction code SPRO and navigate to the relevant configuration settings for the migration or conversion process.
  Ensure that the proxy for the specified source and target systems is correctly defined.
  
  
  
  Verify Source and Target System:
  
  Double-check the identifiers for the source and target systems to ensure they are correct and match the defined proxies.
  
  
  
  Transport Requests:
  
  Ensure that all necessary transport requests containing the proxy definitions have been imported into the target system. If not, import them.
  
  
  
  Authorization Check:
  
  Verify that the user executing the migration has the necessary authorizations to access the proxy definitions. You may need to consult with your SAP security team to ensure proper roles and permissions are assigned.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or notes related to the specific migration or conversion process you are using. There may be additional steps or considerations specific to your scenario.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), SE80 (Object Navigator), and SCC4 (Client Administration) for system configuration and checks.
  SAP Notes: Search for SAP Notes related to the error message or the migration tool you are using, as they may provide specific fixes or workarounds.
  Migration Cockpit Documentation: Review the SAP S/4HANA Migration Cockpit documentation for detailed guidance on setting up and executing migration projects.
  
  By following these steps, you should be able to resolve the error CNV_10020648 and successfully proceed with your migration or conversion process.