How To Fix /SAPAPO/OM_PERF_MSG311 - Normal objects: Dereference with lock against OMS cache

/SAPAPO/OM_PERF_MSG311 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM_PERF_MSG -

• Message number: 311

• Message text: Normal objects: Dereference with lock against OMS cache

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_PERF_MSG311 - Normal objects: Dereference with lock against OMS cache ?

  The SAP error message /SAPAPO/OM_PERF_MSG311 typically indicates a performance issue related to the Online Monitoring System (OMS) cache in SAP Advanced Planning and Optimization (APO). This error occurs when there is a problem with dereferencing normal objects while trying to access the OMS cache, which can lead to performance degradation or system slowdowns.
  
  Cause:
  
  Lock Contention: The error often arises due to lock contention when multiple processes are trying to access the same object in the OMS cache simultaneously.
  Cache Configuration: Improper configuration of the OMS cache or insufficient resources allocated to it can lead to performance issues.
  High Load: A high volume of transactions or data requests can overwhelm the system, causing delays and contention for resources.
  Data Consistency Issues: If there are inconsistencies in the data being accessed, it can lead to errors when trying to dereference objects.
  
  
  Solution:
  
  Analyze Lock Contention: Use transaction codes like SM12 to check for lock entries and identify any