How To Fix UJA_EXCEPTION161 - Optimize model &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 161

• Message text: Optimize model &1 failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION161 - Optimize model &1 failed ?

  The SAP error message UJA_EXCEPTION161 with the description "Optimize model &1 failed" typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there is an issue with the optimization of a data model, such as an InfoCube or a DataStore Object (DSO). This error can arise due to various reasons, including data inconsistencies, configuration issues, or system resource limitations.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the optimization process from completing successfully.
  Configuration Issues: Incorrect settings in the data model or related objects can lead to optimization failures.
  Resource Limitations: Insufficient memory or processing power on the server can cause the optimization process to fail.
  Locks or Transactions: If there are ongoing transactions or locks on the data model, it may hinder the optimization process.
  Corrupted Data: Corrupted data in the InfoCube or DSO can lead to optimization issues.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Use transaction codes like RSA1 to check for data inconsistencies in the InfoProvider.
  Run consistency checks on the data model to identify and resolve any issues.
  
  
  
  Review Configuration:
  
  Verify the settings of the InfoCube or DSO to ensure they are correctly configured.
  Check for any recent changes in the data model that might have introduced issues.
  
  
  
  Monitor System Resources:
  
  Check the system's memory and CPU usage to ensure there are sufficient resources available for the optimization process.
  If necessary, consider increasing the resources allocated to the SAP system.
  
  
  
  Release Locks:
  
  Use transaction SM12 to check for and release any locks on the data model that may be preventing optimization.
  Ensure that no other processes are currently accessing the data model.
  
  
  
  Data Cleanup:
  
  If corrupted data is suspected, consider running data cleanup processes or reloading the data into the InfoCube or DSO.
  You may also want to check for any data load errors that could have caused corruption.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) for any additional error messages or warnings that could provide more context on the failure.
  
  
  
  Rebuild the Model:
  
  As a last resort, if the issue persists, consider rebuilding the data model or creating a new one based on the existing structure.
  
  
  
  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 documentation for best practices on data model optimization and troubleshooting.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.