How To Fix PPH_MRP021 - Total runtime: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 021

• Message text: Total runtime: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPH_MRP021 - Total runtime: &1 ?

  The SAP error message PPH_MRP021, which indicates "Total runtime: &1," is typically associated with the Material Requirements Planning (MRP) process in SAP. This message is often related to performance issues during the execution of MRP runs, where the total runtime exceeds a predefined threshold.
  Cause:
  
  Large Data Volume: The MRP run is processing a large volume of data, which can lead to longer execution times.
  Inefficient Configuration: Poorly configured MRP parameters or settings can lead to inefficient processing.
  System Performance: The underlying system may be experiencing performance issues due to hardware limitations, high load, or insufficient resources.
  Custom Code: If there are custom enhancements or user exits in the MRP process, they may be causing delays.
  Database Performance: Slow database queries or locks can also contribute to longer runtimes.
  
  Solution:
  
  Optimize MRP Parameters: Review and optimize MRP settings such as planning horizons, lot sizing, and other parameters to ensure they are appropriate for your business needs.
  Data Cleanup: Regularly clean up master data and transactional data to reduce the volume of data processed during MRP runs.
  Batch Processing: If possible, consider breaking down large MRP runs into smaller batches to improve performance.
  Performance Monitoring: Use transaction codes like ST03N or ST05 to analyze performance and identify bottlenecks in the MRP process.
  System Resources: Ensure that the SAP system has adequate resources (CPU, memory, etc.) and consider scaling up if necessary.
  Database Optimization: Work with your database administrator to optimize database performance, including indexing and query optimization.
  Review Custom Code: If there are custom developments, review them for efficiency and consider refactoring if they are causing delays.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like MD01 (MRP Run), MD02 (Single-item, Multi-level MRP), and MD04 (Stock/Requirements List) to monitor and manage MRP processes.
  SAP Notes: Check SAP Notes for any known issues or patches related to MRP performance.
  Documentation: Refer to SAP Help documentation for best practices in configuring and running MRP.
  Support: If the issue persists, consider reaching out to SAP support for further assistance.
  
  By addressing the underlying causes and implementing the suggested solutions, you can reduce the runtime of MRP processes and mitigate the occurrence of the PPH_MRP021 error message.