How To Fix CNV_10020646 - &1 &2: Proxy &3 in non-transparent field is undefined

CNV_10020646 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 646

• Message text: &1 &2: Proxy &3 in non-transparent field is undefined

What causes this issue?

The non-transparent field contains a 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.

CNV_10020646 - Details

• The SAP error message CNV_10020646 typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that a proxy field in a non-transparent table is undefined, which means that the system is trying to access a field that does not exist or is not properly defined in the context of the operation being performed.
  
  Cause:
  
  Non-Transparent Fields: The error suggests that the system is trying to access a field in a non-transparent table (a table that does not have a direct representation in the database) that is not defined or is incorrectly mapped.
  Data Mapping Issues: There may be issues with the data mapping configuration, where the source and target fields are not aligned correctly.
  Missing Configuration: The proxy or mapping configuration may be incomplete or missing, leading to the inability to resolve the field reference.
  Data Model Changes: Changes in the data