How To Fix DMC_RT_MSG015 - Check entries as data record already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 015

• Message text: Check entries as data record already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG015 - Check entries as data record already exists ?

  The SAP error message DMC_RT_MSG015 ("Check entries as data record already exists") typically occurs in the context of data management, particularly when using the Data Migration Cockpit (DMC) or similar tools for data uploads or migrations. This error indicates that the system has detected an attempt to create a data record that already exists in the target database.
  Cause:
  
  
  Duplicate Data: The most common cause of this error is that the data you are trying to upload or migrate contains records that already exist in the target system. This could be due to:
  
  Previous uploads that were not properly cleared.
  Data being extracted from a source that has overlapping records with the target.
  Incorrect mapping or transformation rules that lead to duplicate entries.
  
  
  
  Key Violations: The data being uploaded may violate primary key or unique constraints defined in the target database, leading to the error.
  
  
  Incorrect Configuration: The configuration settings in the DMC or the data migration process may not be set up to handle existing records appropriately.
  
  
  Solution:
  
  
  Check for Duplicates: Before attempting to upload data, check the source data for duplicates. You can use tools like Excel or SQL queries to identify and remove duplicate records.
  
  
  Data Validation: Ensure that the data being uploaded is validated against the existing records in the target system. This may involve querying the target database to see if the records already exist.
  
  
  Update Instead of Create: If the intention is to update existing records rather than create new ones, adjust the data migration process to perform updates instead of inserts. This may involve changing the operation type in the DMC.
  
  
  Error Handling Configuration: Review the error handling settings in the DMC. You may want to configure it to skip existing records or log them for review instead of stopping the entire process.
  
  
  Data Mapping: Ensure that the data mapping and transformation rules are correctly set up to avoid creating duplicates. This includes checking the fields that are used as keys.
  
  
  Consult Documentation: Refer to the SAP documentation for the Data Migration Cockpit or the specific module you are working with for additional guidance on handling duplicates.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration, such as LTMC (for the Migration Cockpit) or LTMOM (for the Migration Object Modeler).
  Logs and Traces: Review logs and traces generated during the data migration process for more detailed error messages that can provide insights into the issue.
  
  By following these steps, you should be able to resolve the DMC_RT_MSG015 error and successfully manage your data migration process.