How To Fix MDKMS002 - No unique identification of data record possible for mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: MDKMS - Messages for Mapping Enhancement

• Message number: 002

• Message text: No unique identification of data record possible for mapping

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDKMS002 - No unique identification of data record possible for mapping ?

  The SAP error message MDKMS002 ("No unique identification of data record possible for mapping") typically occurs in the context of data mapping or data transfer processes, particularly when working with Master Data Management (MDM) or similar data integration scenarios. This error indicates that the system is unable to uniquely identify a data record that is required for mapping purposes.
  Causes:
  
  Duplicate Records: There may be duplicate records in the source data that do not have a unique identifier, making it impossible for the system to determine which record to map.
  Missing Key Fields: The required key fields that are necessary for unique identification may be missing or not populated in the data records.
  Incorrect Mapping Configuration: The mapping configuration may not be set up correctly, leading to ambiguity in identifying records.
  Data Quality Issues: Poor data quality, such as inconsistent formats or incorrect values, can lead to difficulties in identifying unique records.
  Changes in Data Structure: If there have been changes in the data structure or schema, the existing mappings may no longer be valid.
  
  Solutions:
  
  Check for Duplicates: Review the source data for duplicate records and resolve them by either merging or removing duplicates.
  Ensure Key Fields are Populated: Verify that all necessary key fields are populated in the data records. If any key fields are missing, update the records accordingly.
  Review Mapping Configuration: Check the mapping configuration in the SAP system to ensure that it is set up correctly and that the correct fields are being used for mapping.
  Data Cleansing: Perform data cleansing to improve data quality. This may involve standardizing formats, correcting values, and ensuring consistency across records.
  Update Data Structure: If there have been changes to the data structure, update the mapping configuration to reflect these changes.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the version of SAP you are using.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access data mapping or master data management functionalities (e.g., MDG, MDM).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support Community: Engage with the SAP Community or forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the MDKMS002 error and successfully complete your data mapping tasks.