How To Fix UBD_BW_GEN103 - Class generation for access to query &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: UBD_BW_GEN - BD Lib: Generation of BW Connection

• Message number: 103

• Message text: Class generation for access to query &1 failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UBD_BW_GEN103 - Class generation for access to query &1 failed ?

  The SAP error message UBD_BW_GEN103 indicates that there was a failure in the class generation for accessing a query in SAP BW (Business Warehouse). This error typically occurs when there are issues related to the underlying data model, query definition, or system configuration.
  Causes:
  
  Missing or Inconsistent Objects: The query or its associated InfoObjects, InfoProviders, or other components may be missing or inconsistent.
  Authorization Issues: The user may not have the necessary authorizations to access the query or its components.
  Transport Issues: If the query was transported from another system, there may be inconsistencies or missing objects in the target system.
  System Configuration: There may be issues with the BW system configuration or settings that prevent the class from being generated.
  Data Source Issues: Problems with the underlying data source or data model can also lead to this error.
  
  Solutions:
  
  Check Query Definition: Verify the query definition in the Query Designer. Ensure that all InfoObjects and InfoProviders are correctly defined and active.
  Rebuild the Query: Sometimes, simply rebuilding the query can resolve the issue. Try to recreate the query from scratch.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the query and its components.
  Transport Consistency: If the query was transported, check for any missing objects or inconsistencies in the target system. You may need to transport the missing objects.
  Check for Errors in the BW System: Use transaction codes like RSA1 (Data Warehousing Workbench) to check for any errors or inconsistencies in the BW system.
  Generate Classes Manually: You can try to manually generate the classes for the query using transaction code RSRQ (Query Monitor) or RSRT (Query Runtime).
  Check Logs: Review the system logs (transaction SLG1) for any additional error messages or details that can provide more context about the failure.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Refer to the official SAP BW documentation for best practices in query design and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or BW support team for further investigation.