Error in server application '/key4register'

An error occured Your session has expired
2024-05-02 15:38:16 - Server - DNS secure.key4events.com - Register Version 2.47.22
Url reached : https://secure.key4events.com/key4register/UserControl/WebSite/schedule.aspx?e=748&dl=files/presentations/29004/S351_M15_INT48.pdf