How To Fix KPEP059 - Reduce the number of sessions

SAP Error Message - Details

• Message type: E = Error

• Message class: KPEP - & & & &

• Message number: 059

• Message text: Reduce the number of sessions

What causes this issue?

The system tried to start the selected action in another session. An
error occurred. Probably you have too many sessions open.

System Response

Processing is not executed in another session. Instead the screen
changes.

How to fix this error?

close some windows and try again.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KPEP059 - Reduce the number of sessions ?

  The SAP error message KPEP059, which states "Reduce the number of sessions," typically occurs when the system has reached its limit for concurrent sessions. This can happen in various SAP modules, particularly in environments where multiple users are accessing the system simultaneously.
  Cause:
  
  Session Limit Reached: Each SAP system has a predefined limit on the number of concurrent sessions that can be opened. When this limit is reached, new sessions cannot be created, leading to the KPEP059 error.
  Long-Running Transactions: Users may have long-running transactions that are holding sessions open longer than necessary.
  Configuration Settings: The system configuration may not be optimized for the number of users accessing it, leading to session limits being hit more frequently.
  User Behavior: Users may not be logging off properly, leaving sessions open unnecessarily.
  
  Solution:
  
  Log Off Unused Sessions: Encourage users to log off from sessions they are not actively using. This can help free up session slots for others.
  Session Management: Implement session management practices, such as setting timeouts for inactive sessions, to automatically log off users after a certain period of inactivity.
  Increase Session Limits: If the business needs justify it, consider increasing the maximum number of allowed sessions in the SAP system configuration. This can be done by adjusting the profile parameters (e.g., rdisp/max_wprun_time, rdisp/number_of_sessions, etc.) in the instance profile.
  Monitor Active Sessions: Use transaction codes like SM04 or AL08 to monitor active user sessions and identify any users with excessive open sessions.
  Optimize Transactions: Review and optimize long-running transactions to ensure they complete in a timely manner, thus freeing up sessions more quickly.
  User Training: Provide training to users on best practices for session management, including how to properly log off and avoid leaving sessions open.
  
  Related Information:
  
  Transaction Codes: 
  
  SM04: Display Users - to see active sessions and their status.
  AL08: Display Global Users - to see all users logged into the system.
  
  
  SAP Notes: Check SAP Notes related to session management and performance tuning for specific recommendations and updates.
  System Monitoring: Regularly monitor system performance and user activity to proactively manage session limits and avoid hitting the maximum.
  
  By addressing the causes and implementing the solutions mentioned above, you can effectively manage and reduce the occurrence of the KPEP059 error in your SAP environment.