Christian Reinschluessel e Anonymous Profile Topics Started Replies Created Favorites Forum Replies Created In reply to: Error 500 on opening a Ticket as registered User and on opening Tickets.php January 28, 2026 at 8:25 am #24545 C Christian ReinschluesselParticipant Hi Stevland, we are running Version 1.18.3 (most recent release) this is an upgrade from 1.18.1 we are on PHP 8.2.29 I am refering to the Apache / PHP error logs If the client enters old osTicket mode and opens a ticket the same thing happens.