Error in server application '/key4register'

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2026-04-14 19:11:22 - Server - DNS secure.key4events.com - Register Version 2.72.5
Url reached : https://secure.key4events.com/key4register/scripts/PDFViewer/images/client/1982/files/pdfviewer/pdfviewer_43560/xn--programme_fragilit_13_avril-soc.pdf