How To Fix /SAPAPO/PP_OPTIMIZER801 - Starting optimization run

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 801

• Message text: Starting optimization run

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER801 - Starting optimization run ?

  The SAP error message /SAPAPO/PP_OPTIMIZER801 typically indicates an issue that arises during the optimization run in the SAP Advanced Planning and Optimization (APO) module, specifically when using the PP/DS (Production Planning and Detailed Scheduling) optimizer. This error can occur for various reasons, and understanding the cause is crucial for finding a solution.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or missing data in the master data (e.g., materials, resources, production versions) or transaction data (e.g., planned orders, purchase orders).
  Configuration Issues: Incorrect configuration settings in the optimizer profile or planning area can lead to errors during the optimization run.
  Resource Constraints: If the resources are not properly defined or if there are constraints that cannot be satisfied, the optimizer may fail to start.
  Locking Issues: If another process is locking the data that the optimizer needs to access, it may not be able to start.
  Memory or Performance Issues: Insufficient memory or performance-related issues on the server can also lead to this error.
  
  Solutions:
  
  Check Master Data: Ensure that all relevant master data is complete and consistent. Verify that materials, resources, and production versions are correctly defined.
  Review Configuration: Check the optimizer profile and planning area settings to ensure they are correctly configured for your specific planning scenario.
  Analyze Resource Availability: Make sure that the resources required for the optimization run are available and properly defined in the system.
  Monitor Locks: Use transaction codes like SM12 to check for any locks on the relevant tables and resolve them if necessary.
  System Performance: Monitor system performance and memory usage. If necessary, consider increasing the memory allocation for the SAP system or optimizing the server performance.
  Check Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the failure.
  Run in Debug Mode: If the issue persists, consider running the optimizer in debug mode to identify the exact point of failure.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Refer to the official SAP documentation for the PP/DS optimizer for detailed information on configuration and troubleshooting.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  If the problem continues after trying the above solutions, it may be beneficial to contact SAP support for further assistance.