Error #1000: Invalid - Content element must have value or children
Element must not be empty
Each element in a FHIR resource must have content. The content can be a value or it can be one or more sub elements.
In case of XML, an element either has a value like this:
<birthDate value="1974-12-25"/>
or sub element(s) like this:
<name>
<family value="Chalmers"/>
</name>
In JSON, similarly a value:
"birthDate" : "1974-12-25"
or sub element(s):
"name": [{ "family": "Chalmers", }]
More information can be found in the code for the FHIR .NET API.
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