How To Fix RSB4HANA149 - DB hint used. Manual analysis required (Check B4H compatibility).

SAP Error Message - Details

• Message type: E = Error

• Message class: RSB4HANA - B4HANA

• Message number: 149

• Message text: DB hint used. Manual analysis required (Check B4H compatibility).

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSB4HANA149 - DB hint used. Manual analysis required (Check B4H compatibility). ?

  The SAP error message RSB4HANA149 indicates that there is a compatibility issue with the database hint used in a query, specifically in the context of SAP BW (Business Warehouse) on HANA. This error typically arises when the system detects that a database hint is being used that may not be compatible with the current version of the BW or HANA database.
  Cause:
  
  Database Hint Usage: The error suggests that a database hint is being applied in a query that may not be supported or is incompatible with the current version of the BW or HANA database.
  Version Mismatch: There may be a mismatch between the BW version and the HANA database version, leading to compatibility issues.
  Query Design: The design of the query or the way it interacts with the database may be causing the issue, especially if it relies on specific optimizations that are not available in the current setup.
  
  Solution:
  
  Check Compatibility: Verify the compatibility of the BW version with the HANA database version. Ensure that both are aligned and supported.
  Review Database Hints: Analyze the query to identify which database hints are being used. You may need to remove or modify these hints to ensure compatibility.
  Query Optimization: Consider optimizing the query design to avoid reliance on database hints that may not be supported.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this issue. SAP frequently releases patches and updates that can resolve compatibility issues.
  Manual Analysis: As the error message suggests, perform a manual analysis of the query execution plan and the database hints being used. This may involve using tools like the HANA Studio or SQL Console to analyze the execution plan and identify potential issues.
  Consult Documentation: Refer to the SAP BW and HANA documentation for guidance on supported features and best practices for query design.
  
  Related Information:
  
  SAP BW on HANA: Understanding the architecture and how BW interacts with HANA can provide insights into potential issues.
  Performance Tuning: Familiarize yourself with performance tuning techniques for BW queries on HANA, as this can help avoid reliance on unsupported hints.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.