How To Fix CNV798 - Multicopy indicator not set for the table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 798

• Message text: Multicopy indicator not set for the table &1

What causes this issue?

The "Multicopy" indicator for table &V1& was not set althouth there are
some fields for which Multicopy Position was defined.

System Response

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

How to fix this error?

Either set the corresponding "Multicopy" indicator for table &V1& or
delete the Multicopy Position value for the corresponding fields.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV798 - Multicopy indicator not set for the table &1 ?

  The SAP error message CNV798, which states "Multicopy indicator not set for the table &1," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system expects a multicopy indicator to be set for a specific table, but it is not configured correctly.
  Cause:
  
  Missing Multicopy Indicator: The table in question does not have the multicopy indicator set, which is necessary for the data migration process to handle multiple entries correctly.
  Configuration Issues: The configuration for the data migration might not have been set up properly, leading to this error.
  Data Model Changes: If there have been changes in the data model or the structure of the table, it might affect how the multicopy indicator is recognized.
  
  Solution:
  
  
  Check Table Configuration: 
  
  Go to the Data Dictionary (SE11) and check the table definition for the table indicated in the error message. Ensure that the multicopy indicator is set correctly.
  If you are not sure how to do this, consult with your ABAP developer or SAP Basis team.
  
  
  
  Set the Multicopy Indicator:
  
  If the multicopy indicator is not set, you may need to modify the table definition to include it. This typically requires development access and should be done with caution.
  You may need to create a transport request for this change.
  
  
  
  Review Migration Settings:
  
  Check the settings in the migration tool you are using. Ensure that all necessary configurations are in place and that the correct tables are being referenced.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration process you are using. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  Testing:
  
  After making changes, perform a test migration to ensure that the error is resolved and that data is being processed correctly.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to engage SAP support for further assistance.