How To Fix D-151 - Dynamic session: & deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: D- -

• Message number: 151

• Message text: Dynamic session: & deleted

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 D-151 - Dynamic session: & deleted ?

  The SAP error message D-151, which states "Dynamic session: & deleted," typically occurs in the context of SAP's session management, particularly when dealing with dynamic sessions in the SAP GUI or during background processing. This error indicates that a dynamic session has been deleted, which can happen for various reasons.
  Causes:
  
  Session Timeout: The session may have timed out due to inactivity, leading to its automatic deletion.
  User Logoff: If the user logs off or is disconnected from the SAP system, any dynamic sessions associated with that user may be deleted.
  System Configuration: Certain system settings or configurations may lead to the premature deletion of dynamic sessions.
  Resource Constraints: If the system is under heavy load or resource constraints, it may terminate sessions to free up resources.
  Errors in Background Jobs: If a background job that was using the dynamic session encounters an error, it may lead to the deletion of the session.
  
  Solutions:
  
  Increase Timeout Settings: If the issue is related to session timeouts, consider increasing the timeout settings in the SAP system configuration.
  Check User Activity: Ensure that users are not logging off or disconnecting unexpectedly. Encourage users to save their work frequently.
  Monitor System Performance: Use transaction codes like ST03N or ST06 to monitor system performance and identify any resource constraints that may be causing session deletions.
  Review Background Jobs: Check the logs of background jobs to identify any errors that may be causing sessions to be deleted. Use transaction SM37 to monitor job statuses.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM21 (System Log), SM37 (Job Monitoring), and ST22 (Dump Analysis) to investigate further.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is affecting multiple users or critical processes.
  Documentation: Review SAP documentation related to session management and error handling for more insights into best practices and troubleshooting steps.
  
  By understanding the causes and implementing the suggested solutions, you can effectively address the D-151 error in SAP.