How To Fix PF023 - Value missing for roll area buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: PF - System parametrization messages in Computing Ctr Mgmt System

• Message number: 023

• Message text: Value missing for roll area buffer

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PF023 - Value missing for roll area buffer ?

  The SAP error message PF023, which states "Value missing for roll area buffer," typically occurs in the context of SAP's memory management, particularly when dealing with the roll area. The roll area is a part of the memory used by SAP to store data for user sessions, especially when the main memory is insufficient.
  Cause:
  The error can be caused by several factors, including:
  
  Insufficient Memory Allocation: The roll area may not have enough memory allocated to handle the data being processed.
  Configuration Issues: Incorrect configuration settings in the SAP system related to memory management.
  User Session Issues: Problems with the user session, such as abrupt termination or corruption of session data.
  System Load: High system load or resource contention can lead to issues with memory allocation.
  
  Solution:
  To resolve the PF023 error, you can take the following steps:
  
  
  Check Memory Settings:
  
  Review the memory settings in the SAP system. You can do this by checking the instance profile parameters related to memory, such as abap/roll_area and abap/heap_area_dia.
  Ensure that the roll area size is adequately configured to handle the expected workload.
  
  
  
  Increase Roll Area Size:
  
  If the roll area size is too small, consider increasing it. This can be done by modifying the instance profile parameters and restarting the SAP instance.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify any bottlenecks or performance issues.
  
  
  
  Check for User Session Issues:
  
  Investigate if there are any problematic user sessions. You can use transaction SM04 to monitor active user sessions and terminate any that are not responding.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related error messages or warnings that could provide additional context for the issue.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  System Restart:
  
  In some cases, a system restart may help clear temporary issues related to memory allocation.
  
  
  
  Related Information:
  
  SAP Memory Management: Understanding how SAP manages memory can help in diagnosing and preventing such issues. Familiarize yourself with concepts like the roll area, heap memory, and extended memory.
  SAP Basis Administration: Knowledge of SAP Basis administration can be beneficial for configuring and managing system parameters effectively.
  Performance Tuning: Regular performance tuning and monitoring can help prevent memory-related issues from arising in the future.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.