Error in server application '/key4register'

An error occured Your session has expired
2024-05-14 17:44:43 - Server - DNS secure.key4events.com - Register Version 2.48.28
Url reached : https://secure.key4events.com/key4register/UserControl/WebSite/schedule.aspx?e=163&dl=files/presentations/1738/M18_2_ANNESI-MAESANO_I.pdf