How To Fix /SCMB/LSO104 - Undetermined error during optimizer execution

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/LSO -

• Message number: 104

• Message text: Undetermined error during optimizer execution

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 /SCMB/LSO104 - Undetermined error during optimizer execution ?

  The SAP error message /SCMB/LSO104 Undetermined error during optimizer execution typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when using the optimizer for supply chain management tasks. This error indicates that the optimizer encountered an issue that it could not identify or classify, leading to a failure in execution.
  Possible Causes:
  
  Data Issues: Incomplete or incorrect master data (e.g., product, location, or resource data) can lead to errors during optimization.
  Configuration Problems: Incorrect settings in the optimizer configuration or planning area can cause execution failures.
  Resource Constraints: If the optimizer cannot find a feasible solution due to resource constraints or conflicting data, it may throw this error.
  Version Compatibility: Issues may arise if there are discrepancies between the versions of SAP components or if the system is not updated.
  Memory Limitations: Insufficient memory or system resources can lead to execution failures.
  Custom Code or Enhancements: If there are custom enhancements or user exits that interfere with the optimizer's execution, it may result in this error.
  
  Solutions:
  
  Check Master Data: Ensure that all relevant master data is complete and accurate. Validate product, location, and resource data.
  Review Configuration: Check the optimizer configuration settings in the SAP system. Ensure that the planning area and other related settings are correctly configured.
  Analyze Logs: Look at the application logs (transaction SLG1) for more detailed error messages or warnings that may provide insight into the issue.
  Test with Simplified Data: If possible, run the optimizer with a simplified dataset to see if the error persists. This can help isolate the problem.
  Increase System Resources: If memory limitations are suspected, consider increasing the available resources on the server.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and support packages, as these may contain fixes for known issues.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on troubleshooting.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCMB/LSO for optimizer settings and /SAPAPO/OPTIMIZER for running the optimizer.
  Documentation: Review the official SAP documentation for the APO module and optimizer for best practices and troubleshooting tips.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and potentially resolve the /SCMB/LSO104 Undetermined error during optimizer execution error in your SAP system.