Offending URL (reporting from global.asax.cs): https://icepondsoftware.com/WebResource.axd?d=qU7o2E-R0sihIl3vlTde5gaTWkouhGFwxnw9JlSRM2MLXl1qo80tJGVXbC-0_7WGbx6Rri3ueRmnP5a2dF4HeTTd4zlxe0L6H4D0ILb2AU41&t=638459824569584809
Message: This is an invalid webresource request.