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:1016)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:274)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareChildren(StructureDefinitionComparer.java:377)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:290)
	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compare(StructureDefinitionComparer.java:170)
	at org.hl7.fhir.r5.comparison.ComparisonSession.compare(ComparisonSession.java:104)
	at org.hl7.fhir.igtools.publisher.comparators.PreviousVersionComparator.finishChecks(PreviousVersionComparator.java:261)
	at org.hl7.fhir.igtools.publisher.Publisher.checkConformanceResources(Publisher.java:5926)
	at org.hl7.fhir.igtools.publisher.Publisher.loadConformance(Publisher.java:5742)
	at org.hl7.fhir.igtools.publisher.Publisher.createIg(Publisher.java:1228)
	at org.hl7.fhir.igtools.publisher.Publisher.execute(Publisher.java:1067)
	at org.hl7.fhir.igtools.publisher.Publisher.main(Publisher.java:13703)