    org.hl7.fhir.exceptions.DefinitionException: Found a slice at 'Composition.section' but there was no definition for the slicing
    	at org.hl7.fhir.r5.utils.DefinitionNavigator.loadChildren(DefinitionNavigator.java:262)
    	at org.hl7.fhir.r5.utils.DefinitionNavigator.isChildrenFromReference(DefinitionNavigator.java:487)
    	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareChildren(StructureDefinitionComparer.java:354)
    	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:287)
    	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareChildren(StructureDefinitionComparer.java:378)
    	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:287)
    	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareChildren(StructureDefinitionComparer.java:378)
    	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compareElements(StructureDefinitionComparer.java:287)
    	at org.hl7.fhir.r5.comparison.StructureDefinitionComparer.compare(StructureDefinitionComparer.java:165)
    	at org.hl7.fhir.r5.comparison.ComparisonSession.compare(ComparisonSession.java:106)
    	at org.hl7.fhir.igtools.publisher.comparators.IpsComparator.finishChecks(IpsComparator.java:236)
    	at org.hl7.fhir.igtools.publisher.PublisherProcessor.checkConformanceResources(PublisherProcessor.java:1518)
    	at org.hl7.fhir.igtools.publisher.PublisherProcessor.loadConformance2(PublisherProcessor.java:103)
    	at org.hl7.fhir.igtools.publisher.Publisher.createIg(Publisher.java:397)
    	at org.hl7.fhir.igtools.publisher.Publisher.execute(Publisher.java:226)
    	at org.hl7.fhir.igtools.publisher.Publisher.main(Publisher.java:1601)