-------------------------------------------------------------------------------------
{"hierarchical" : true, "valueSet" :{
  "resourceType" : "ValueSet",
  "compose" : {
    "include" : [{
      "system" : "http://not-a-known-code-system",
      "version" : "2.36",
      "concept" : [{
        "code" : "not-known-code"
      },
      {
        "code" : "not-known-code"
      }]
    }]
  }
}}####
e: {
  "error" : "Error from server: Unable to provide support for code system http://not-a-known-code-system"
}
-------------------------------------------------------------------------------------
{"code" : {
  "system" : "http://not-a-known-code-system",
  "code" : "not-known-code"
}, "valueSet" :null, "lang":"en-US", "useServer":"true", "useClient":"true", "guessSystem":"false", "valueSetMode":"ALL_CHECKS"}####
v: {
  "display" : "",
  "severity" : "error",
  "error" : "The code system \"http://not-a-known-code-system\" is not known (encountered paired with code = \"not-known-code\"); The code provided (http://not-a-known-code-system#not-known-code) is not valid in the value set 'All codes known to the system' (from http://tx.fhir.org/r4)"
}
-------------------------------------------------------------------------------------
{"code" : {
  "system" : "http://not-a-known-code-system",
  "code" : "not-known-code2"
}, "valueSet" :null, "lang":"en-US", "useServer":"true", "useClient":"true", "guessSystem":"false", "valueSetMode":"ALL_CHECKS"}####
v: {
  "display" : "",
  "severity" : "error",
  "error" : "The code system \"http://not-a-known-code-system\" is not known (encountered paired with code = \"not-known-code2\"); The code provided (http://not-a-known-code-system#not-known-code2) is not valid in the value set 'All codes known to the system' (from http://tx.fhir.org/r4)"
}
-------------------------------------------------------------------------------------
{"hierarchical" : true, "valueSet" :{
  "resourceType" : "ValueSet",
  "compose" : {
    "include" : [{
      "system" : "http://not-a-known-code-system",
      "version" : "2.36",
      "concept" : [{
        "code" : "not-known-code"
      },
      {
        "code" : "not-known-code2"
      }]
    }]
  }
}}####
e: {
  "error" : "Error from server: Unable to provide support for code system http://not-a-known-code-system"
}
-------------------------------------------------------------------------------------