java.lang.ClassCastException: class org.hl7.fhir.r5.comparison.ResourceComparer$PlaceHolderComparison cannot be cast to class org.hl7.fhir.r5.comparison.StructureDefinitionComparer$ProfileComparison (org.hl7.fhir.r5.comparison.ResourceComparer$PlaceHolderComparison and org.hl7.fhir.r5.comparison.StructureDefinitionComparer$ProfileComparison are in unnamed module of loader 'app')
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.intersectTypes(StructureDefinitionComparer.java:1072)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:281)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareChildren(StructureDefinitionComparer.java:384)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:297)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compare(StructureDefinitionComparer.java:175)
	at org.hl7.fhir.r5.comparison.ComparisonSession.compare(ComparisonSession.java:107)
	at org.hl7.fhir.igtools.publisher.comparators.PreviousVersionComparator.finishChecks(PreviousVersionComparator.java:262)
	at org.hl7.fhir.igtools.publisher.Publisher.checkConformanceResources(Publisher.java:6721)
	at org.hl7.fhir.igtools.publisher.Publisher.loadConformance2(Publisher.java:6504)
	at org.hl7.fhir.igtools.publisher.Publisher.createIg(Publisher.java:1220)
	at org.hl7.fhir.igtools.publisher.Publisher.execute(Publisher.java:1075)
	at org.hl7.fhir.igtools.publisher.Publisher.main(Publisher.java:15809)
	at org.hl7.fhir.igtools.web.PublicationProcess.runBuild(PublicationProcess.java:1081)
	at org.hl7.fhir.igtools.web.PublicationProcess.doPublish(PublicationProcess.java:557)
	at org.hl7.fhir.igtools.web.PublicationProcess.publishInner2(PublicationProcess.java:470)
	at org.hl7.fhir.igtools.web.PublicationProcess.publishInner(PublicationProcess.java:286)
	at org.hl7.fhir.igtools.web.PublicationProcess.publish(PublicationProcess.java:146)
	at org.hl7.fhir.igtools.publisher.Publisher.main(Publisher.java:15557)