Error in server application '/key4register'

An error occured Your session has expired
2026-01-20 03:32:34 - Server - DNS secure.key4events.com - Register Version 2.69.11
Url reached : https://secure.key4events.com/key4register/scripts/PDFViewer/images/client/1753/files/pdfviewer/pdfviewer_42263/abstract_book_gk2025.pdf