Offending URL (reporting from global.asax.cs): https://icepondsoftware.com/WebResource.axd?d=1OHjnxntKB0KerDaIiNH36UXpIJwxBL7VvirZMUT5naalW_UjC5LJLD3F4MD_HV1O-coL_ncsDZukKa3C6Fdze-d9Zqajb4yYy7ePuKXNck1&t=638459824569584809
Message: This is an invalid webresource request.