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java.lang.NullPointerException at at at at org.kuali.rice.kns.maintenance.rules.MaintenanceDocumentRuleBase.processRouteDocument( at org.kuali.rice.krad.rules.rule.event.RouteDocumentEvent.invokeRuleMethod( at org.kuali.rice.krad.service.impl.KualiRuleServiceImpl.applyRules( at org.kuali.rice.krad.maintenance.MaintenanceDocumentBase.validateBusinessRules(