"[definition](http://hl7.org/fhir/R4/messageheader.html#MessageHeader.definition)" : "http://medcomfhir.dk/ig/messagedefinitions/MessageDefinition/MedComHomeCareObservationMessageDefinition|1.1" must be "[definition](http://hl7.org/fhir/R4/messageheader.html#MessageHeader.definition)" : "http://medcomfhir.dk/ig/messagedefinitions/MessageDefinition/MedComHomeCareObservationMessageDefinition|1.2"
"definition" : "http://medcomfhir.dk/ig/messagedefinitions/MessageDefinition/MedComHomeCareObservationMessageDefinition|1.1"
must be
"definition" : "http://medcomfhir.dk/ig/messagedefinitions/MessageDefinition/MedComHomeCareObservationMessageDefinition|1.2"