3645551 - Use a New Tab Instead of Logoff under SAML SSO in SAP BusinessObjects BI platform4.x

• After successfully logging into SAP BI 4.x via SAML SSO, clicking the "Logoff" button may trigger unexpected issues：

1. Http 500 error
2. Page could not found error
3. Session expired error

• Even if you successfully return to the homepage after logging off, you may still be able to log in directly without a password due to IDP session issues.

• SAP BusinessObjects Business Intelligence Platform 4.x
• All supported platforms

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