How To Fix /SAPAPO/ND323 - Solution not optimal because maximum runtime exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ND -

• Message number: 323

• Message text: Solution not optimal because maximum runtime exceeded

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ND323 - Solution not optimal because maximum runtime exceeded ?

  The SAP error message /SAPAPO/ND323 Solution not optimal because maximum runtime exceeded typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a planning run (such as a heuristic or optimization run) takes longer than the predefined maximum runtime. This can happen for various reasons, including complex planning scenarios, large datasets, or inefficient algorithms.
  Causes:
  
  Complexity of the Problem: The planning problem may be too complex, involving many constraints or a large number of products, which can lead to longer processing times.
  Large Data Volume: A significant amount of data (e.g., many products, locations, or time periods) can increase the runtime of the planning process.
  Inefficient Heuristics or Algorithms: The selected heuristic or optimization algorithm may not be suitable for the specific planning scenario, leading to longer processing times.
  System Performance: Insufficient system resources (CPU, memory) or performance issues can also contribute to longer runtimes.
  Configuration Settings: The maximum runtime setting may be too low for the complexity of the planning task.
  
  Solutions:
  
  
  Increase Maximum Runtime: 
  
  You can increase the maximum runtime allowed for the planning run. This can be done in the configuration settings of the planning run (transaction /SAPAPO/MC90 or similar).
  Look for parameters like Max Runtime and adjust them according to your needs.
  
  
  
  Optimize Planning Parameters:
  
  Review and optimize the planning parameters and heuristics used in the planning run. Choose a more efficient heuristic if available.
  Simplify the planning problem by reducing the number of constraints or focusing on a smaller subset of products.
  
  
  
  Data Management:
  
  Consider reducing the volume of data being processed in a single run. This can be done by breaking down the planning run into smaller segments or focusing on specific products or locations.
  
  
  
  System Performance:
  
  Monitor system performance and ensure that adequate resources are allocated to the SAP system. This may involve upgrading hardware or optimizing the database.
  
  
  
  Review Logs and Trace:
  
  Check the logs and traces for any specific issues or bottlenecks that may be causing the extended runtime. This can provide insights into what part of the process is taking the most time.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes or documentation that may address this specific error or provide additional optimization tips.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MC90 (for planning run configuration) and /SAPAPO/ND (for network design).
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on APO planning and optimization.
  Performance Tuning: Consider engaging with SAP support or consulting services for performance tuning and optimization strategies tailored to your specific environment.
  
  By addressing the causes and implementing the suggested solutions, you should be able to resolve the error and improve the performance of your planning runs in SAP APO.