How To Fix RSDMD196 - Table &1: Data record already exists for specification/SID '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 196

• Message text: Table &1: Data record already exists for specification/SID '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDMD196 - Table &1: Data record already exists for specification/SID '&2' ?

  The SAP error message RSDMD196 indicates that there is an attempt to insert a data record into a table where a record with the same specification or SID (Surrogate ID) already exists. This typically occurs in the context of data modeling or data loading processes in SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  
  Duplicate Data: The most common cause of this error is that the data you are trying to load or insert already exists in the target table. This can happen if the data load process is executed multiple times without proper handling of existing records.
  Incorrect Data Load Logic: The logic used in the data load process may not be correctly set up to handle existing records, leading to attempts to insert duplicates.
  Data Source Issues: The source data may contain duplicates that are not being filtered out before the load process.
  Incorrect SID Generation: If the SID generation logic is not functioning correctly, it may lead to the same SID being generated for different records.
  
  Solution:
  
  Check for Duplicates: Before loading data, check the source data for duplicates. Ensure that the data being loaded does not already exist in the target table.
  Use Update Instead of Insert: Modify the data load process to update existing records instead of trying to insert them. This can often be done by using an "upsert" operation if supported.
  Adjust Data Load Logic: Review and adjust the data load logic to ensure it properly handles existing records. This may involve using transformations or filters to prevent duplicates.
  Data Cleansing: Implement data cleansing processes to remove duplicates from the source data before loading it into the target table.
  Check SID Generation: Ensure that the SID generation logic is functioning correctly and that it generates unique SIDs for different records.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like RSA1 (Data Warehousing Workbench) to monitor and manage data loads.
  Data Load Monitoring: Use the Data Load Monitor to check for errors and analyze the data load process.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP BW or SAP HANA documentation for best practices on data loading and handling duplicates.
  
  By following these steps, you should be able to resolve the RSDMD196 error and ensure that your data loading processes run smoothly.