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

CNV_10020648 - Overview

• 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.

CNV_10020648 - Details

• 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