Offending URL (reporting from global.asax.cs): https://icepondsoftware.com/WebResource.axd?d=-zLOBSnl5iSDb45BiPWyAgZz0oxWZgpR2pb49wbbZFaU_wzqPX5hUIitO-tFpGimAjmCmrCOitctrOTvElVyzBc_z5OIaWYzJsgsUxbHPcY1&t=638459824569584809
Message: This is an invalid webresource request.