How To Fix UBD_BW_GEN102 - Generation of DDIC structures for query &1 failed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 102

• Message text: Generation of DDIC structures for query &1 failed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UBD_BW_GEN102 - Generation of DDIC structures for query &1 failed ?

  The SAP error message UBD_BW_GEN102, which indicates that the generation of Data Dictionary (DDIC) structures for a query has failed, can occur in the context of SAP BW (Business Warehouse) when there are issues with the underlying data model or configuration. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Inconsistent Data Model: The underlying InfoProvider or the query may have inconsistencies or issues in the data model, such as missing or incorrect fields.
  Missing Authorizations: The user executing the query may not have the necessary authorizations to access the required objects.
  Transport Issues: If the query or InfoProvider was transported from another system, there may be inconsistencies or missing objects in the target system.
  Technical Settings: Incorrect technical settings for the InfoProvider or query can lead to generation failures.
  Database Issues: Problems with the underlying database, such as missing tables or fields, can also cause this error.
  
  Solutions:
  
  Check the Query Definition: Review the query definition in the Query Designer to ensure that all fields and InfoObjects are correctly defined and available.
  Validate the InfoProvider: Use transaction RSA1 to check the InfoProvider for any inconsistencies. You can also use the "Check" function to identify issues.
  Rebuild the Query: If the query is corrupted, consider rebuilding it from scratch or copying it to a new query and adjusting the settings.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the InfoProvider and execute the query.
  Transport Consistency: If the query was transported, check for any missing objects or inconsistencies in the target system. You may need to re-transport the necessary objects.
  Technical Settings Review: Review the technical settings of the InfoProvider and ensure that they are correctly configured.
  Database Check: Verify that the underlying database is functioning correctly and that all necessary tables and fields are present.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) and RSRT (Query Monitor) to analyze and troubleshoot the issue.
  SAP Notes: Check SAP Notes related to the specific error message or the components involved for any known issues or patches.
  Logs and Traces: Review the system logs (transaction SLG1) and short dumps (transaction ST22) for additional error messages that may provide more context on the failure.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation or to reach out to SAP support for assistance.