How To Fix CNV_DMC_SIN458 - Mapping value &1 of Project ID &2 is not unique.

CNV_DMC_SIN458 - Overview

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 458

• Message text: Mapping value &1 of Project ID &2 is not unique.

Self-Explanatory Message

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CNV_DMC_SIN458 - Details

• The SAP error message CNV_DMC_SIN458 indicates that there is a mapping issue in the Data Migration Cockpit (DMC) where a specific value for a Project ID is not unique. This typically occurs during data migration processes when the system expects a unique mapping for a particular field, but it finds duplicate entries.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are multiple entries in the mapping table for the same Project ID with the same value. This can happen if the data was not cleaned or validated before migration.
  Incorrect Mapping Configuration: The mapping configuration may not have been set up correctly, leading to conflicts in the values assigned to the Project ID.
  Data Integrity Issues: There may be underlying data integrity issues in the source system that result in non-unique values being mapped.
  
  
  Solution:
  
  Identify Duplicates: Check the mapping table for the Project ID mentioned in the error message. Look