Offending URL (reporting from global.asax.cs): https://icepondsoftware.com/WebResource.axd?d=YHxOtjMS8BSOMhoW3i4lCJc7orzaVvvNC_NdSP-NZALlySV0KvJUMDsKKclRk36ozSvRiF6wC_vBLJkrR76KFI7HbFEcS71POLtAIBd7NLw1&t=638459824569584809
Message: This is an invalid webresource request.