How To Fix TRUST154 - First save the changed PSE mode for the system

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 154

• Message text: First save the changed PSE mode for the system

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 TRUST154 - First save the changed PSE mode for the system ?

  The SAP error message TRUST154 typically occurs when there is an issue with the PSE (Personal Security Environment) configuration in the SAP system. This error indicates that changes made to the PSE mode have not been saved, which is necessary for the system to function correctly in terms of security and trust relationships.
  Cause:
  The error usually arises in the following scenarios:
  
  Uncommitted Changes: You have made changes to the PSE settings (like switching between modes) but have not saved those changes.
  Incorrect Configuration: The PSE might be incorrectly configured, leading to issues with trust relationships or SSL connections.
  System State: The system might be in a state where it cannot apply the changes due to other ongoing processes or locks.
  
  Solution:
  To resolve the TRUST154 error, follow these steps:
  
  
  Access the PSE Configuration:
  
  Go to transaction code STRUST in the SAP GUI.
  
  
  
  Check the PSE Settings:
  
  Review the current settings and ensure that any changes you want to make are correctly configured.
  
  
  
  Save Changes:
  
  If you have made changes to the PSE mode (like switching from SSL client to SSL server), ensure you click on the Save button to commit those changes.
  
  
  
  Check for Locks:
  
  If you are unable to save, check if there are any locks on the PSE or if other users are currently modifying the PSE settings.
  
  
  
  Restart the System (if necessary):
  
  In some cases, a system restart may be required to clear any locks or issues preventing the saving of changes.
  
  
  
  Verify the Changes:
  
  After saving, verify that the changes have been applied correctly and that the PSE is functioning as expected.
  
  
  
  Related Information:
  
  PSE Types: There are different types of PSEs in SAP, such as the SSL client PSE, SSL server PSE, and the X.509 PSE. Ensure you are working with the correct one for your needs.
  Documentation: Refer to SAP documentation for detailed instructions on managing PSEs and understanding the implications of different configurations.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to PSE and the TRUST154 error.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or consulting SAP support for further assistance.