Error in server application '/key4register'

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2024-05-06 07:23:13 - Server - DNS secure.key4events.com - Register Version 2.48.21
Url reached : https://secure.key4events.com/key4register/UserControl/WebSite/schedule.aspx?e=339&dl=files/presentations/9202/M17-Pre0120-Annesi-Maesano Isabella.pdf