How To Fix DMC_DTL128 - Line &1 contains the same values for these import parameters

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_DTL - Messages for DMC data transfer layer

• Message number: 128

• Message text: Line &1 contains the same values for these import parameters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_DTL128 - Line &1 contains the same values for these import parameters ?

  The SAP error message DMC_DTL128 indicates that there is a problem with the data being imported into the system, specifically that a line in the data contains duplicate values for certain import parameters. This typically occurs in the context of data migration or data import processes, such as when using the Data Migration Cockpit (DMC) or similar tools.
  Cause:
  The error is triggered when the import process detects that multiple entries in the same line of data have the same values for parameters that are expected to be unique. This can happen due to:
  
  Duplicate Data: The source data may contain duplicate entries for fields that should be unique.
  Incorrect Mapping: The mapping of fields during the import process may not be set up correctly, leading to conflicts.
  Data Format Issues: The data may not be formatted correctly, causing the system to misinterpret the values.
  
  Solution:
  To resolve the DMC_DTL128 error, you can take the following steps:
  
  Review the Data: Check the source data for duplicates. Ensure that the values for the import parameters are unique where required.
  Adjust the Mapping: If the mapping of fields is incorrect, adjust it to ensure that the correct fields are being imported and that there are no conflicts.
  Data Cleansing: Cleanse the data to remove duplicates or correct any formatting issues. This may involve using data processing tools or scripts to identify and eliminate duplicate entries.
  Test with Sample Data: Before performing a full import, test the import process with a smaller sample of data to ensure that the issue is resolved.
  Consult Documentation: Refer to SAP documentation or guides related to the specific import process you are using for additional insights and best practices.
  
  Related Information:
  
  Data Migration Cockpit (DMC): This is a tool used in SAP for migrating data from legacy systems to SAP S/4HANA or other SAP systems. Understanding how DMC handles data and its requirements can help in troubleshooting.
  Error Logs: Check the error logs or detailed error messages provided by the DMC for more context on which specific parameters are causing the issue.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the DMC_DTL128 error and implement a solution to successfully import your data.