How To Fix /SAPAPO/PP_OPTIMIZER814 - Starting full search

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 814

• Message text: Starting full search

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER814 - Starting full search ?

  The SAP error message /SAPAPO/PP_OPTIMIZER814 Starting full search typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when using the PP/DS (Production Planning and Detailed Scheduling) optimizer. This message indicates that the optimizer is starting a full search for a solution to the planning problem, which can be a resource-intensive process.
  Cause:
  
  Complexity of the Planning Problem: The optimizer may determine that a full search is necessary due to the complexity of the planning problem, such as a large number of constraints, production resources, or planning objects.
  Inadequate Heuristics: If the heuristics or initial solutions provided to the optimizer are not sufficient to find a feasible solution quickly, it may resort to a full search.
  Configuration Issues: Incorrect or suboptimal configuration settings in the optimizer can lead to inefficient search strategies.
  Data Volume: A large volume of data (e.g., many products, production orders, or resources) can trigger a full search as the optimizer tries to evaluate all possible combinations.
  
  Solution:
  
  Optimize Heuristics: Review and optimize the heuristics used in the planning run. Ensure that the initial solution provided to the optimizer is as close to optimal as possible.
  Adjust Configuration Settings: Check the configuration settings for the optimizer. You may need to adjust parameters related to search strategies, time buckets, or resource allocation.
  Reduce Data Volume: If possible, reduce the volume of data being processed in a single planning run. This can be done by breaking down the planning run into smaller segments or by filtering out unnecessary data.
  Performance Tuning: Consider performance tuning of the APO system. This may involve database optimization, increasing system resources, or adjusting system parameters to improve performance.
  Review Constraints: Analyze the constraints defined in the planning model. Simplifying or adjusting constraints may help the optimizer find a solution more efficiently.
  Use Alternative Planning Strategies: If the full search is consistently taking too long, consider using alternative planning strategies or methods that may be more efficient for your specific scenario.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the optimizer and this specific error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Review the official SAP documentation for the PP/DS optimizer to understand its configuration and capabilities better.
  Performance Monitoring: Use transaction codes like /SAPAPO/OPTIMIZER to monitor the performance of the optimizer and analyze logs for further insights into the planning runs.
  Community Forums: Engage with SAP community forums or user groups to share experiences and solutions with other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.