How To Fix TRUST078 - Selected entry is the PSE for Single Sign-On with logon ticket

TRUST078 - Overview

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 078

• Message text: Selected entry is the PSE for Single Sign-On with logon ticket

What causes this issue?

The PSE for Single Sign-On with logon ticket is determined using the
following rule. Use the first of the following PSEs that is defined in
the system.
Logon ticket
Standard application
System PSE

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TRUST078 - Selected entry is the PSE for Single Sign-On with logon ticket ?

  The SAP error message TRUST078 indicates that the selected entry is the PSE (Personal Security Environment) for Single Sign-On (SSO) with logon tickets. This error typically arises in the context of configuring SSO in an SAP environment, particularly when dealing with trust relationships between systems.
  
  Cause:
  The error usually occurs due to one of the following reasons:
  
  Incorrect PSE Configuration: The PSE for the system is not correctly configured or is missing.
  Trust Relationship Issues: There may be issues with the trust relationship between the SAP systems involved in the SSO setup.
  Certificate Issues: The certificates used for SSO may be expired, not properly imported, or not matching.
  Missing or Incorrect Logon Ticket Configuration: The logon ticket settings may not be correctly set up in the SAP system.
  
  
  Solution:
  To resolve the TRUST078 error, you can follow these steps:
  
  
  Check PSE Configuration:
  
  Ensure that the PSE is correctly configured for the system. You can do this by using transaction STRUST.
  Verify