How To Fix SBDS164 - Knowledge Provider error: Object key not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: SBDS - Message Class: Business Document Service

• Message number: 164

• Message text: Knowledge Provider error: Object key not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SBDS164 - Knowledge Provider error: Object key not unique ?

  The SAP error message SBDS164, which indicates a "Knowledge Provider error: Object key not unique," typically arises in the context of SAP BusinessObjects or SAP BW (Business Warehouse) when there is an issue with the uniqueness of object keys in the data model or when trying to access a specific object in the Knowledge Provider.
  Cause:
  
  
  Duplicate Keys: The most common cause of this error is the presence of duplicate keys in the data source or the data model. This can happen if there are multiple records with the same key in the underlying database or if the data model is not properly designed to ensure uniqueness.
  
  
  Incorrect Data Model: If the data model is not correctly defined, it may lead to situations where the system cannot determine which object to reference due to non-unique keys.
  
  
  Data Source Issues: Problems with the data source, such as incorrect joins or relationships, can also lead to this error.
  
  
  Caching Issues: Sometimes, caching issues in the reporting tools can cause the system to reference outdated or incorrect data.
  
  
  Solution:
  
  
  Check for Duplicates: Review the data source to identify and resolve any duplicate keys. This may involve cleaning the data or modifying the data model to ensure that keys are unique.
  
  
  Review Data Model: Ensure that the data model is correctly designed. Check the relationships and joins between tables to ensure they are set up correctly.
  
  
  Adjust Queries: If you are using queries to fetch data, ensure that the queries are designed to return unique results. You may need to use aggregation or distinct clauses in your SQL queries.
  
  
  Clear Cache: If you suspect caching issues, try clearing the cache in the reporting tool or the SAP BW system. This can often resolve issues related to outdated data.
  
  
  Check Authorization: Ensure that the user has the necessary authorizations to access the objects in question. Sometimes, authorization issues can manifest as key uniqueness errors.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific version of SAP you are using for any known issues or patches that may address this error.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any specific fixes or recommendations related to the SBDS164 error. SAP frequently updates its knowledge base with solutions to common issues.
  
  
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues. You can find discussions and solutions that may be relevant to your situation.
  
  
  Testing Environment: If possible, replicate the issue in a testing environment to better understand the cause without affecting production data.
  
  
  By following these steps, you should be able to identify the root cause of the SBDS164 error and implement a solution to resolve it.