Offending URL (reporting from global.asax.cs): https://icepondsoftware.com/WebResource.axd?d=yEUzYm7wABjRbm5KON-Wvo-QDmW9F2eM7HAZFNd8QrSfSZmM3bpvE-YHW6xFHlj8GgVhrQLotkNr72t8MwuulAiOWk1NNmz0k_sGu17flgo1&t=638459824569584809
Message: This is an invalid webresource request.