How To Fix PPH_MRP004 - Total time required for classic MRP: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 004

• Message text: Total time required for classic MRP: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPH_MRP004 - Total time required for classic MRP: &1 ?

  The SAP error message PPH_MRP004, which states "Total time required for classic MRP: &1," typically indicates that the total processing time for the classic Material Requirements Planning (MRP) run has exceeded a predefined threshold. This can happen for various reasons, including system performance issues, large data volumes, or inefficient MRP settings.
  Causes:
  
  Large Data Volume: If there are a significant number of materials or production orders being processed, the MRP run can take longer than expected.
  Inefficient MRP Settings: Incorrect or suboptimal settings in the MRP configuration can lead to longer processing times.
  System Performance: Hardware limitations, such as insufficient memory or CPU resources, can slow down the MRP process.
  Background Job Configuration: If the MRP run is scheduled as a background job, it may be configured with insufficient resources or priority.
  Database Performance: Slow database queries or locks can also contribute to longer processing times.
  
  Solutions:
  
  
  Optimize MRP Settings:
  
  Review and optimize MRP parameters in the configuration settings. Ensure that the settings align with your business needs and data volume.
  Consider using MRP heuristics or strategies that are more efficient for your specific scenario.
  
  
  
  Increase System Resources:
  
  If possible, allocate more memory or CPU resources to the SAP system to improve performance.
  Check for any performance bottlenecks in the system and address them.
  
  
  
  Schedule MRP Runs During Off-Peak Hours:
  
  Schedule MRP runs during times of low system usage to minimize the impact of other processes on performance.
  
  
  
  Monitor and Tune Database Performance:
  
  Regularly monitor database performance and optimize queries that are frequently used during MRP runs.
  Consider database indexing or other optimization techniques to improve query performance.
  
  
  
  Review Background Job Configuration:
  
  If the MRP run is executed as a background job, ensure that it is configured with appropriate parameters, such as job priority and resource allocation.
  
  
  
  Analyze MRP Run Logs:
  
  Review the logs generated during the MRP run to identify specific areas that may be causing delays. This can provide insights into which materials or processes are taking longer than expected.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address performance issues related to MRP. SAP frequently releases updates and patches that can improve system performance.
  Transaction Codes: Familiarize yourself with transaction codes related to MRP, such as MD01 (MRP Run) and MD04 (Stock/Requirements List), to better understand the MRP process and monitor its performance.
  Performance Monitoring Tools: Utilize SAP performance monitoring tools (like ST03N, ST22, SM37) to analyze system performance and identify bottlenecks.
  
  By addressing the underlying causes and implementing the suggested solutions, you can reduce the processing time for classic MRP runs and mitigate the occurrence of the PPH_MRP004 error message.