How To Fix /PM0/ABP_ACTION016 - Maximum number of sessions has been reached

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_ACTION -

• Message number: 016

• Message text: Maximum number of sessions has been reached

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_ACTION016 - Maximum number of sessions has been reached ?

  The SAP error message /PM0/ABP_ACTION016 Maximum number of sessions has been reached typically indicates that the maximum number of user sessions allowed for a particular user or for the system as a whole has been exceeded. This can happen in various scenarios, such as when a user has multiple sessions open or when the system is configured to limit the number of concurrent sessions.
  Causes:
  
  User Session Limit: The user has reached the maximum number of allowed sessions. This can happen if the user has multiple sessions open or if the system is configured to limit the number of sessions per user.
  System Configuration: The overall system configuration may limit the total number of sessions that can be active at any given time.
  Idle Sessions: There may be idle sessions that are not being terminated, which can contribute to reaching the session limit.
  Background Jobs: Background jobs or processes may be consuming sessions, leading to the limit being reached.
  
  Solutions:
  
  Close Unused Sessions: The user should log off from any unused sessions. This can be done by checking the active sessions in the SAP GUI and closing those that are not needed.
  Increase Session Limit: If appropriate, the system administrator can increase the maximum number of sessions allowed for the user or for the system. This can be done in the SAP profile parameters (e.g., rdisp/mshost and rdisp/number_of_sessions).
  Terminate Idle Sessions: The administrator can check for and terminate any idle sessions that are consuming resources. This can be done using transaction codes like SM04 (User Overview) or SM50 (Process Overview).
  Review Background Jobs: Check for any background jobs that may be consuming sessions and adjust their configuration if necessary.
  User Profile Settings: Review the user profile settings to ensure that the session limits are set according to the organization's needs.
  
  Related Information:
  
  Transaction Codes: 
  
  SM04: User Overview - to see active sessions for users.
  SM50: Process Overview - to monitor running processes.
  SU01: User Maintenance - to check and modify user settings.
  
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to session management.
  System Parameters: Review the system parameters related to session management in transaction RZ10 or RZ11.
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or refer to SAP support for further assistance.