How To Fix /SAPAPO/OM_PERF_MSG020 - 1. Read order

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_PERF_MSG -

• Message number: 020

• Message text: 1. Read order

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_PERF_MSG020 - 1. Read order ?

  The SAP error message /SAPAPO/OM_PERF_MSG020 typically relates to performance issues in the SAP Advanced Planning and Optimization (APO) module, specifically during the reading of orders. This error can occur due to various reasons, including data volume, system configuration, or performance bottlenecks.
  Cause:
  
  High Data Volume: The system may be trying to process a large number of orders, which can lead to performance degradation.
  Inefficient Queries: The queries used to read the orders may not be optimized, leading to longer processing times.
  Database Performance: Issues with the underlying database, such as lack of indexing or fragmentation, can slow down data retrieval.
  System Configuration: Inadequate system resources (CPU, memory) or improper configuration settings can lead to performance issues.
  Locks and Contention: Other processes may be locking the data, causing delays in reading orders.
  
  Solution:
  
  Optimize Queries: Review and optimize the queries used for reading orders. Ensure that they are efficient and make use of appropriate indexes.
  Data Archiving: If the volume of data is too high, consider archiving old or unnecessary data to reduce the load on the system.
  Database Maintenance: Perform regular database maintenance tasks, such as re-indexing and updating statistics, to improve performance.
  System Resources: Check the system resources and consider upgrading hardware or optimizing the configuration to better handle the load.
  Monitor Locks: Use transaction codes like SM12 to monitor and resolve any locks that may be causing contention.
  Performance Analysis: Utilize tools like ST03N (Workload Analysis) and ST04 (Database Performance Analysis) to identify performance bottlenecks and take corrective actions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on performance tuning in APO.
  Transaction Codes: Familiarize yourself with transaction codes such as SM37 (Job Monitoring), ST22 (Dump Analysis), and SM21 (System Log) to gather more information about the error context.
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support or a technical consultant who specializes in SAP APO for further assistance.