How To Fix RSDMD144 - The data to be updated is check for duplicate data records

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 144

• Message text: The data to be updated is check for duplicate data records

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDMD144 - The data to be updated is check for duplicate data records ?

  The SAP error message RSDMD144 indicates that there is an issue with duplicate data records when trying to update data in a DataStore Object (DSO) or InfoProvider in SAP BW (Business Warehouse). This error typically occurs during data loading processes, such as when you are trying to load data from an InfoSource or during the activation of data.
  Cause:
  The error is triggered when the system detects that the data being loaded contains records that are duplicates of existing records in the target DSO or InfoProvider. This can happen due to several reasons:
  
  Duplicate Records in Source Data: The source data being loaded may contain duplicate entries.
  Incorrect Data Transformation: The transformation rules may not be correctly set up, leading to the generation of duplicate records.
  Data Model Configuration: The DSO or InfoProvider may have been configured to enforce uniqueness on certain key fields, and the incoming data violates this constraint.
  
  Solution:
  To resolve the RSDMD144 error, you can take the following steps:
  
  
  Check Source Data: 
  
  Review the source data for duplicates. You can use tools like Excel or SQL queries to identify duplicate records in the source dataset.
  
  
  
  Adjust Transformation Rules:
  
  Review the transformation rules in your data flow. Ensure that they are correctly set up to handle duplicates. You may need to modify the logic to aggregate or filter out duplicates before loading.
  
  
  
  Modify DSO Settings:
  
  If the DSO is set to enforce uniqueness on certain fields, consider whether this is necessary. You may need to adjust the key fields or change the DSO settings to allow for duplicates if that aligns with your business requirements.
  
  
  
  Use Data Quality Tools:
  
  Implement data quality checks or cleansing processes to remove duplicates from the source data before loading it into the DSO.
  
  
  
  Check for Existing Records:
  
  Before loading new data, check if the records already exist in the DSO. You can use a query or a report to identify existing records that may conflict with the incoming data.
  
  
  
  Error Handling:
  
  If duplicates are acceptable in certain scenarios, consider implementing error handling in your data load process to manage or log duplicate records instead of failing the entire load.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSDMD144 for any specific patches or updates that may address this issue.
  Data Modeling: Familiarize yourself with the data modeling concepts in SAP BW, especially regarding DSOs and InfoProviders.
  Data Quality Management: Consider implementing data quality management practices to ensure that the data being loaded into your BW system is clean and free of duplicates.
  
  By following these steps, you should be able to identify the cause of the RSDMD144 error and implement a solution to resolve it.