diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/JsonParser.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/JsonParser.java
index f635ac98d..e617c6f9b 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/JsonParser.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/JsonParser.java
@@ -366,11 +366,13 @@ public class JsonParser extends ParserBase {
 		} else {
 			String name = rt.getAsString();
 			StructureDefinition sd = context.fetchResource(StructureDefinition.class, ProfileUtilities.sdNs(name, context.getOverrideVersionNs()));
-			if (sd == null)
-				throw new FHIRFormatError(context.formatMessage(I18nConstants.CONTAINED_RESOURCE_DOES_NOT_APPEAR_TO_BE_A_FHIR_RESOURCE_UNKNOWN_NAME_, name));
-			parent.updateProperty(new Property(context, sd.getSnapshot().getElement().get(0), sd, this.profileUtilities), SpecialElement.fromProperty(parent.getProperty()), elementProperty);
-			parent.setType(name);
-			parseChildren(npath, res, parent, true);
+			if (sd == null) {
+        logError(line(res), col(res), npath, IssueType.INVALID, context.formatMessage(I18nConstants.CONTAINED_RESOURCE_DOES_NOT_APPEAR_TO_BE_A_FHIR_RESOURCE_UNKNOWN_NAME_, name), IssueSeverity.FATAL);			    
+			} else {
+			  parent.updateProperty(new Property(context, sd.getSnapshot().getElement().get(0), sd, this.profileUtilities), SpecialElement.fromProperty(parent.getProperty()), elementProperty);
+			  parent.setType(name);
+			  parseChildren(npath, res, parent, true);
+			}
 		}
 	}