dickymdnt
I don’t manage your server so I have no idea; I’m just going off the information I’m given. You said yum shows updates on fpm at the same time osTicket started reporting errors. So that tells me fpm was likely auto-updated and starting causing issues with osTicket.
I will say you are using a really old and outdated version of osTicket that is no longer supported. So you need to upgrade asap so you can receive support, etc.
Cheers.