Error in server application '/key4register'

An error occured Your session has expired
2024-04-27 11:37:36 - Server - DNS secure.key4events.com - Register Version 2.47.22
Url reached : https://secure.key4events.com/key4register/UserControl/WebSite/schedule.aspx?e=419&dl=files/presentations/15634/Connected Next_FR_V2_phg_final_Dec 17 2015.pdf