Error in server application '/key4register'

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2026-01-26 17:48:27 - Server - DNS secure.key4events.com - Register Version 2.69.11
Url reached : https://secure.key4events.com/key4register/scripts/PDFViewer/images/client/1632/files/pdfviewer/pdfviewer_35521/2023-11-programme-sfnp-rennes-2024-vfinal.pdf