How To Fix D-155 - Standard session: & deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: D- -

• Message number: 155

• Message text: Standard 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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message D-155 - Standard session: & deleted ?

  The SAP error message D-155 ("Standard session: & deleted") typically occurs when a standard session in SAP has been deleted or terminated unexpectedly. This can happen for various reasons, including user actions, system issues, or session timeouts.
  Causes:
  
  User Action: A user may have manually deleted the session.
  Session Timeout: The session may have timed out due to inactivity.
  System Issues: There could be underlying system problems, such as memory issues or server restarts.
  Network Issues: Connectivity problems can lead to session termination.
  Authorization Issues: Changes in user roles or authorizations may lead to session termination.
  
  Solutions:
  
  Reopen the Session: If the session was closed accidentally, try to reopen it or start a new session.
  Check User Actions: Verify if any user actions led to the deletion of the session.
  Increase Timeout Settings: If session timeouts are frequent, consider increasing the timeout settings in the SAP system.
  Monitor System Performance: Check for any system performance issues that may be causing sessions to terminate unexpectedly.
  Review Network Stability: Ensure that the network connection is stable and not causing interruptions.
  Check Authorizations: Review user roles and authorizations to ensure that there are no changes that could lead to session termination.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  System Logs: Review system logs (transaction SM21) for any related error messages or warnings that occurred around the same time as the session deletion.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM04 (User Overview) and SM12 (Lock Entries) to monitor user sessions and locks.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further investigation.