Error in server application '/key4register'

An error occured Your session has expired
2024-04-28 19:40:22 - Server - DNS secure.key4events.com - Register Version 2.47.22
Url reached : https://secure.key4events.com/key4register/UserControl/WebSite/schedule.aspx?e=163&dl=files/presentations/1767/J11_1_NICOLAS_J-F.pdf