org.hl7.fhir.exceptions.DefinitionException: Aggregation not supported: DocumentManifest.subject
	at org.hl7.fhir.r5.comparison.ProfileComparer.checkAddTypeUnion(ProfileComparer.java:497)
	at org.hl7.fhir.r5.comparison.ProfileComparer.unionTypes(ProfileComparer.java:486)
	at org.hl7.fhir.r5.comparison.ProfileComparer.compareElements(ProfileComparer.java:207)
	at org.hl7.fhir.r5.comparison.ProfileComparer.compareChildren(ProfileComparer.java:307)
	at org.hl7.fhir.r5.comparison.ProfileComparer.compareElements(ProfileComparer.java:224)
	at org.hl7.fhir.r5.comparison.ProfileComparer.compare(ProfileComparer.java:131)
	at org.hl7.fhir.r5.comparison.ComparisonSession.compare(ComparisonSession.java:92)
	at org.hl7.fhir.igtools.publisher.PreviousVersionComparator.finishChecks(PreviousVersionComparator.java:244)
	at org.hl7.fhir.igtools.publisher.Publisher.checkConformanceResources(Publisher.java:3755)
	at org.hl7.fhir.igtools.publisher.Publisher.loadConformance(Publisher.java:3681)
	at org.hl7.fhir.igtools.publisher.Publisher.createIg(Publisher.java:821)
	at org.hl7.fhir.igtools.publisher.Publisher.execute(Publisher.java:680)
	at org.hl7.fhir.igtools.publisher.Publisher.main(Publisher.java:7939)