NoClassDefFoundError: org/openmrs/Condition

java.lang.ClassNotFoundException: org.openmrs.Condition
    org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1955)
    org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1798)
    org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:571)
    java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    java.lang.Class.getDeclaredMethods0(Native Method)
    java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
    java.lang.Class.getDeclaredMethods(Class.java:1975)
    org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:571)
    org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:490)
    org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:503)
    org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:474)
    org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:241)
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1057)
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1030)
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:762)
    org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
    org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    org.openmrs.module.ModuleUtil.refreshApplicationContext(ModuleUtil.java:894)
    org.openmrs.module.web.WebModuleUtil.refreshWAC(WebModuleUtil.java:866)
    org.openmrs.module.web.controller.ModuleListController.onSubmit(ModuleListController.java:196)
    org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:274)
    org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:275)
    org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:146)
    org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:60)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:72)
    org.openmrs.module.owa.filter.OwaFilter.doFilter(OwaFilter.java:57)
    org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)
    org.openmrs.module.spa.filter.SpaFilter.doFilter(SpaFilter.java:54)
    org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)
    org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:54)
    org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:108)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)
    org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)
    org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)
    org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)