How To Fix CNV_40301017 - Mapping values result in temporary duplicates

CNV_40301017 - Overview

• Message type: E = Error

• Message class: CNV_40301 - Message class for package 40301 (KTOGR)

• Message number: 017

• Message text: Mapping values result in temporary duplicates

What causes this issue?

Mapping values result in <DS:TX.CNV_MBT_TEMP_DUPLICATES>temporary
duplicates</>.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_40301017 - Details

• The SAP error message CNV_40301017 indicates that during a data migration or conversion process, the mapping of values has resulted in temporary duplicates. This typically occurs in scenarios where data is being transformed or migrated from one system to another, and the mapping logic does not ensure uniqueness for certain fields.
  
  Cause:
  
  Duplicate Mapping Logic: The mapping rules defined for the data conversion may not account for existing duplicates in the source data or may inadvertently create duplicates in the target system.
  Data Quality Issues: The source data may contain duplicates that are not being handled correctly during the mapping process.
  Incorrect Configuration: The configuration settings for the data migration tool may not be set up to handle unique constraints properly.
  
  
  Solution:
  
  Review Mapping Rules: Check the mapping rules defined in the data migration tool. Ensure that they are set up to prevent duplicates. You may need to adjust the logic to ensure that each value