How To Fix CNV20400015 - For table &1, there is more than one key field for convers; no simulation

CNV20400015 - Overview

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 015

• Message text: For table &1, there is more than one key field for convers; no simulation

What causes this issue?

A merge of data records can be simulated only for tables in which
exactly one key field will be converted. However table &v1& has more
than one key field that will be converted.

System Response

No simulation takes place for this table.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

CNV20400015 - Details

• The SAP error message CNV20400015 indicates that there is an issue with the conversion of data for a specific table during a data migration or conversion process. The message states that there is more than one key field for the specified table, which complicates the conversion process and prevents simulation.
  
  Cause:
  This error typically arises in the context of data migration or conversion projects, particularly when using SAP's Conversion Tools (like the SAP S/4HANA Migration Cockpit or other data migration tools). The specific causes include:
  
  Multiple Key Fields: The table in question has more than one key field defined, which can lead to ambiguity in identifying unique records during the conversion process.
  
  Configuration Issues: The configuration of the migration or conversion process may not be set up to handle tables with composite keys properly.
  Data Model Changes: Changes in the data model between the source and target systems may lead to discrepancies in how keys