Error in server application '/key4register'

An error occured Your session has expired
2025-01-15 11:59:58 - Server - DNS secure.key4events.com - Register Version 2.56.4
Url reached : https://secure.key4events.com/key4register/programme/1627/session/22828-PLENARY-SESSION-/content.aspx?c=16750&culture=en-GB&e=1627