How To Fix /SAPAPO/TS302 - SimSession &1: error during closing

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TS -

• Message number: 302

• Message text: SimSession &1: error during closing

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 /SAPAPO/TS302 - SimSession &1: error during closing ?

  The SAP error message /SAPAPO/TS302 SimSession &1: error during closing typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with closing a simulation session. This error can arise due to various reasons, including data inconsistencies, session locks, or issues with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data that the simulation session is trying to process.
  Session Locks: The session might be locked by another user or process, preventing it from being closed.
  Database Issues: There could be issues with the database that are preventing the session from closing properly.
  Configuration Issues: Incorrect configuration settings in the APO system can lead to errors during session management.
  Memory Issues: Insufficient memory or resources allocated to the APO system can also cause this error.
  
  Solutions:
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the session. If you find any locks, you may need to release them.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into what went wrong during the closing process.
  Data Consistency Check: Run consistency checks on the data involved in the simulation session to ensure there are no discrepancies.
  Reopen and Retry: If the session is still open, try to reopen it and then close it again. Sometimes, simply retrying can resolve transient issues.
  System Resources: Ensure that the system has adequate resources (memory, CPU) allocated. If necessary, increase the resources or optimize the system performance.
  Consult Documentation: Refer to SAP Notes and documentation related to the specific version of APO you are using. There may be known issues or patches available.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. Provide them with the error message and any relevant logs for further analysis.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), and SLG1 (Application Log) for troubleshooting.
  SAP Notes: Search for SAP Notes related to /SAPAPO/TS302 for any specific patches or updates that may address this issue.
  User Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and potentially resolve the error message /SAPAPO/TS302 SimSession &1: error during closing.