Error in server application '/key4register'

An error occured Your session has expired
2024-04-28 22:15:04 - 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/9794/CV+Expo_DITCHI_NAU_regul_A57_ATEC2015.pdf