How To Fix RSDMD179 - &1% sorted out when handing duplicate data records

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 179

• Message text: &1% sorted out when handing duplicate data records

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 RSDMD179 - &1% sorted out when handing duplicate data records ?

  The SAP error message RSDMD179 typically occurs in the context of data modeling in SAP BW (Business Warehouse) when there are duplicate data records being processed. This error indicates that the system has encountered duplicate entries in the data source that it cannot handle, leading to issues during data loading or processing.
  Cause:
  The primary cause of the RSDMD179 error is the presence of duplicate records in the data source that are being loaded into the InfoProvider (like an InfoCube or DataStore Object). This can happen due to various reasons, such as:
  
  Data Source Issues: The source system may have duplicate records due to incorrect data extraction or transformation processes.
  Incorrect Data Modeling: The InfoObject or InfoProvider may not be set up to handle duplicates properly.
  Data Quality Problems: Poor data quality in the source system can lead to duplicates being present in the data.
  
  Solution:
  To resolve the RSDMD179 error, you can take the following steps:
  
  
  Identify Duplicates: 
  
  Use SQL queries or data profiling tools to identify the duplicate records in the source system. This can help you understand the extent of the issue.
  
  
  
  Data Cleansing:
  
  Clean the data in the source system to remove duplicates. This may involve modifying the ETL (Extract, Transform, Load) processes to ensure that duplicates are filtered out before they reach the BW system.
  
  
  
  Adjust Data Modeling:
  
  Review the InfoObjects and InfoProviders to ensure they are configured correctly to handle duplicates. For example, you may need to adjust the key fields or aggregation settings.
  
  
  
  Use Data Transformation:
  
  Implement transformations in the data flow to aggregate or filter out duplicates before loading the data into the BW system.
  
  
  
  Check Load Process:
  
  Review the data load process to ensure that it is not inadvertently causing duplicates. This includes checking the data extraction and loading settings.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes or documentation that may provide additional insights or solutions specific to your version of SAP BW.
  
  
  
  Related Information:
  
  Data Quality Management: Implementing data quality management practices can help prevent duplicates from occurring in the first place.
  SAP BW Documentation: Refer to the official SAP BW documentation for best practices on data modeling and handling duplicates.
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have faced similar issues.
  
  By following these steps, you should be able to resolve the RSDMD179 error and ensure that your data loading processes run smoothly without encountering duplicate records.