org.hibernate.tool.hbm2x.ExporterException: Error while processing Entity: su2proxy.YsiUserInfo with template hbm/hibernate-mapping.hbm.ftl
        at org.hibernate.tool.hbm2x.TemplateHelper.processTemplate(TemplateHelper.java:261)
        at org.hibernate.tool.hbm2x.TemplateProducer.produceToString(TemplateProducer.java:67)
        at org.hibernate.tool.hbm2x.TemplateProducer.produce(TemplateProducer.java:28)
        at org.hibernate.tool.hbm2x.TemplateProducer.produce(TemplateProducer.java:103)
        at org.hibernate.tool.hbm2x.GenericExporter.exportPOJO(GenericExporter.java:148)
        at org.hibernate.tool.hbm2x.GenericExporter.exportPersistentClass(GenericExporter.java:137)
        at org.hibernate.tool.hbm2x.GenericExporter$2.process(GenericExporter.java:43)
        at org.hibernate.tool.hbm2x.GenericExporter.doStart(GenericExporter.java:128)
        at org.hibernate.tool.hbm2x.HibernateMappingExporter.doStart(HibernateMappingExporter.java:34)
        at org.hibernate.tool.hbm2x.AbstractExporter.start(AbstractExporter.java:95)
        at org.netbeans.modules.hibernate.wizards.HibernateRevengWizard.generateClasses(HibernateRevengWizard.java:352)
        at org.netbeans.modules.hibernate.wizards.HibernateRevengWizard.instantiate(HibernateRevengWizard.java:448)
        at org.openide.loaders.TemplateWizard$InstantiatingIteratorBridge.instantiate(TemplateWizard.java:1023)
        at org.openide.loaders.TemplateWizard.handleInstantiate(TemplateWizard.java:595)
        at org.openide.loaders.TemplateWizard.instantiateNewObjects(TemplateWizard.java:416)
        at org.openide.loaders.TemplateWizardIterImpl.instantiate(TemplateWizardIterImpl.java:253)
        at org.openide.loaders.TemplateWizardIteratorWrapper.instantiate(TemplateWizardIteratorWrapper.java:165)
        at org.openide.WizardDescriptor.callInstantiateOpen(WizardDescriptor.java:1474)
        at org.openide.WizardDescriptor.callInstantiate(WizardDescriptor.java:1431)
        at org.openide.WizardDescriptor.access$1700(WizardDescriptor.java:119)
        at org.openide.WizardDescriptor$Listener$2$1.run(WizardDescriptor.java:1998)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)
freemarker.core.InvalidReferenceException: Expression property.getValue().getElement().getAssociatedClass() is undefined on line 17, column 35 in hbm/set.hbm.ftl.
        at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
        at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:134)
        at freemarker.core.Dot._getAsTemplateModel(Dot.java:78)
        at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
        at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:86)
        at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
        at freemarker.core.Expression.getStringValue(Expression.java:93)
        at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.MixedContent.accept(MixedContent.java:92)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.IfBlock.accept(IfBlock.java:82)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.MixedContent.accept(MixedContent.java:92)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.Environment.include(Environment.java:1375)
        at freemarker.core.Include.accept(Include.java:155)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:79)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:160)
        at freemarker.core.Environment.visit(Environment.java:351)
        at freemarker.core.IteratorBlock.accept(IteratorBlock.java:95)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.MixedContent.accept(MixedContent.java:92)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.Environment.include(Environment.java:1375)
        at freemarker.core.Include.accept(Include.java:155)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.MixedContent.accept(MixedContent.java:92)
        at freemarker.core.Environment.visit(Environment.java:196)
        at freemarker.core.Environment.process(Environment.java:176)
        at freemarker.template.Template.process(Template.java:232)
        at org.hibernate.tool.hbm2x.TemplateHelper.processTemplate(TemplateHelper.java:255)
        at org.hibernate.tool.hbm2x.TemplateProducer.produceToString(TemplateProducer.java:67)
        at org.hibernate.tool.hbm2x.TemplateProducer.produce(TemplateProducer.java:28)
        at org.hibernate.tool.hbm2x.TemplateProducer.produce(TemplateProducer.java:103)
        at org.hibernate.tool.hbm2x.GenericExporter.exportPOJO(GenericExporter.java:148)
        at org.hibernate.tool.hbm2x.GenericExporter.exportPersistentClass(GenericExporter.java:137)
        at org.hibernate.tool.hbm2x.GenericExporter$2.process(GenericExporter.java:43)
        at org.hibernate.tool.hbm2x.GenericExporter.doStart(GenericExporter.java:128)
        at org.hibernate.tool.hbm2x.HibernateMappingExporter.doStart(HibernateMappingExporter.java:34)
        at org.hibernate.tool.hbm2x.AbstractExporter.start(AbstractExporter.java:95)
        at org.netbeans.modules.hibernate.wizards.HibernateRevengWizard.generateClasses(HibernateRevengWizard.java:352)
        at org.netbeans.modules.hibernate.wizards.HibernateRevengWizard.instantiate(HibernateRevengWizard.java:448)
        at org.openide.loaders.TemplateWizard$InstantiatingIteratorBridge.instantiate(TemplateWizard.java:1023)
        at org.openide.loaders.TemplateWizard.handleInstantiate(TemplateWizard.java:595)
        at org.openide.loaders.TemplateWizard.instantiateNewObjects(TemplateWizard.java:416)
        at org.openide.loaders.TemplateWizardIterImpl.instantiate(TemplateWizardIterImpl.java:253)
        at org.openide.loaders.TemplateWizardIteratorWrapper.instantiate(TemplateWizardIteratorWrapper.java:165)
        at org.openide.WizardDescriptor.callInstantiateOpen(WizardDescriptor.java:1474)
        at org.openide.WizardDescriptor.callInstantiate(WizardDescriptor.java:1431)
        at org.openide.WizardDescriptor.access$1700(WizardDescriptor.java:119)
        at org.openide.WizardDescriptor$Listener$2$1.run(WizardDescriptor.java:1998)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)