How To Fix RSDU_REPART809 - First 2 characters of indexes &1 and &2 on table &3 are not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDU_REPART - Messages for Repartitioning InfoProviders

• Message number: 809

• Message text: First 2 characters of indexes &1 and &2 on table &3 are not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDU_REPART809 - First 2 characters of indexes &1 and &2 on table &3 are not unique ?

  The SAP error message RSDU_REPART809 indicates that there is a uniqueness issue with the first two characters of the indexes on a specific table. This typically occurs in the context of SAP BW (Business Warehouse) when dealing with InfoObjects and their associated data.
  Cause:
  The error arises when the system detects that the first two characters of the indexes for two different entries in a table are not unique. This can happen due to:
  
  Data Integrity Issues: There may be duplicate entries in the underlying data that violate the uniqueness constraint.
  Incorrect Data Modeling: The InfoObjects or data models may not be designed correctly, leading to conflicts in the data structure.
  Data Load Issues: During data loading processes, if the data is not properly validated or transformed, it can lead to duplicates.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check for Duplicates:
  
  Use transaction codes like SE16 or SE11 to view the contents of the table mentioned in the error message. Look for duplicate entries based on the first two characters of the indexes.
  You can run SQL queries to identify duplicates.
  
  
  
  Data Cleansing:
  
  If duplicates are found, you will need to clean the data. This may involve deleting or merging duplicate records to ensure that the first two characters of the indexes are unique.
  
  
  
  Review Data Model:
  
  Check the data model and InfoObjects to ensure they are correctly defined. Make sure that the attributes and characteristics are set up to prevent duplicates.
  
  
  
  Adjust Data Load Process:
  
  If the issue arises during data loading, review the data transformation and loading process. Ensure that the data is being validated and transformed correctly before it is loaded into the target table.
  
  
  
  Re-activate the InfoObject:
  
  After resolving the duplicates, you may need to re-activate the InfoObject or the data model to ensure that the changes take effect.
  
  
  
  Check for Transport Issues:
  
  If the issue occurred after a transport, ensure that the transport did not overwrite any important settings or data integrity constraints.
  
  
  
  Related Information:
  
  Transaction Codes: SE16 (Data Browser), SE11 (Data Dictionary), RSA1 (Data Warehousing Workbench).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review SAP BW documentation for best practices on data modeling and integrity checks.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSDU_REPART809 error in your SAP BW environment.