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.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.r5.comparison.StructureDefinitionComparer.checkAddTypeUnion(StructureDefinitionComparer.java:968)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.unionTypes(StructureDefinitionComparer.java:905)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:280)
	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:266)
	at org.hl7.fhir.igtools.publisher.Publisher.checkConformanceResources(Publisher.java:6652)
	at org.hl7.fhir.igtools.publisher.Publisher.loadConformance2(Publisher.java:6435)
	at org.hl7.fhir.igtools.publisher.Publisher.createIg(Publisher.java:1171)
	at org.hl7.fhir.igtools.publisher.Publisher.execute(Publisher.java:1026)
	at org.hl7.fhir.igtools.publisher.Publisher.main(Publisher.java:15790)
	at org.hl7.fhir.igtools.web.PublicationProcess.runBuild(PublicationProcess.java:1103)
	at org.hl7.fhir.igtools.web.PublicationProcess.doPublish(PublicationProcess.java:559)
	at org.hl7.fhir.igtools.web.PublicationProcess.publishInner2(PublicationProcess.java:467)
	at org.hl7.fhir.igtools.web.PublicationProcess.publishInner(PublicationProcess.java:283)
	at org.hl7.fhir.igtools.web.PublicationProcess.publish(PublicationProcess.java:143)
	at org.hl7.fhir.igtools.publisher.Publisher.main(Publisher.java:15538)