Error in server application '/key4register'

An error occured Your session has expired
2024-04-28 19:26:56 - Server - DNS secure.key4events.com - Register Version 2.47.22
Url reached : https://secure.key4events.com/key4register/UserControl/WebSite/schedule.aspx?e=303&dl=files/presentations/9105/Expo_S.MARTINATO+N.OHLMANN+F.LATARD.docx