How To Fix DMC_RT_MSG626 - Further processing of the file canceled due to duplicate key errors

DMC_RT_MSG626 - Overview

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 626

• Message text: Further processing of the file canceled due to duplicate key errors

System Response
Records with duplicate keys have been found in the excel file. The file
is processed only when there is no record with duplicate keys.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG626 - Further processing of the file canceled due to duplicate key errors ?

  The SAP error message DMC_RT_MSG626 indicates that there are duplicate key errors in the data being processed, which has led to the cancellation of further processing of the file. This error typically occurs in the context of data migration or data replication processes, particularly when using SAP Data Migration Cockpit (DMC) or similar tools.
  
  Cause:
  
  Duplicate Records: The most common cause of this error is the presence of duplicate records in the source data that violate unique constraints in the target database.
  Key Violations: The data being imported may contain values for key fields that already exist in the target system, leading to conflicts.
  Incorrect Mapping: If the mapping of fields between the source and target systems is incorrect, it may lead to attempts to insert duplicate keys.
  Data Quality Issues: Poor data quality in the source file, such as missing or incorrect identifiers, can also lead to duplicates.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Review the source data file