------------------------------------------------------------------------------------- {"code" : { "system" : "http://hl7.org/fhir/administrative-gender" }, "valueSet" :null, "langs":"en, en-US, en_US", "useServer":"true", "useClient":"true", "guessSystem":"false", "activeOnly":"false", "membershipOnly":"false", "displayWarningMode":"false", "versionFlexible":"true", "profile": { "resourceType" : "Parameters", "parameter" : [{ "name" : "x-system-cache-id", "valueString" : "dc8fd4bc-091a-424a-8a3b-6198ef146891" }] }}#### v: { "system" : "http://hl7.org/fhir/administrative-gender", "severity" : "error", "error" : "Unknown code '' in the CodeSystem 'http://hl7.org/fhir/administrative-gender' version '4.0.1'", "class" : "UNKNOWN", "server" : "http://tx.fhir.org/r4", "unknown-systems" : "", "issues" : { "resourceType" : "OperationOutcome", "issue" : [{ "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/operationoutcome-issue-server", "valueUrl" : "http://tx.fhir.org/r4" }], "severity" : "error", "code" : "code-invalid", "details" : { "coding" : [{ "system" : "http://hl7.org/fhir/tools/CodeSystem/tx-issue-type", "code" : "invalid-code" }], "text" : "Unknown code '' in the CodeSystem 'http://hl7.org/fhir/administrative-gender' version '4.0.1'" }, "location" : ["Coding.code"], "expression" : ["Coding.code"] }] } } -------------------------------------------------------------------------------------