Error in server application '/key4register'

An error occured Your session has expired
2024-05-08 21:09:47 - Server - DNS secure.key4events.com - Register Version 2.48.21
Url reached : https://secure.key4events.com/key4register/UserControl/WebSite/schedule.aspx?e=310&dl=files/presentations/14095/AAP+ anticoagulant CFPV 0315-def.pdf