java.lang.IllegalStateException: xava.failing.messages.added ** at org.openxava.validators.hibernate.FailingMessages.add(FailingMessages.java:35)

java.lang.IllegalStateException: xava.failing.messages.added
**	at org.openxava.validators.hibernate.FailingMessages.add(FailingMessages.java:35)	at com.openxava.oxsigo.validadores.ValidadorDetalleDocumentoContable.validate(ValidadorDetalleDocumentoContable.java:42)	at org.openxava.validators.hibernate.EntityValidatorValidator.isValid(EntityValidatorValidator.java:41)	at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateSingleConstraint(ConstraintTree.java:283)	at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:133)	at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:91)	at org.hibernate.validator.internal.metadata.core.MetaConstraint.validateConstraint(MetaConstraint.java:83)	at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:547)	at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:487)	at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:451)	at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:403)	at org.hibernate.validator.internal.engine.ValidatorImpl.validate(ValidatorImpl.java:206)	at org.hibernate.cfg.beanvalidation.BeanValidationEventListener.validate(BeanValidationEventListener.java:137)	at org.hibernate.cfg.beanvalidation.BeanValidationEventListener.onPreInsert(BeanValidationEventListener.java:95)	at org.hibernate.action.internal.EntityIdentityInsertAction.preInsert(EntityIdentityInsertAction.java:214)	at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:92)	at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:492)	at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:197)	at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:181)	at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:216)	at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:334)	at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:289)	at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:195)	at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:126)	at org.hibernate.jpa.event.internal.core.JpaPersistEventListener.saveWithGeneratedId(JpaPersistEventListener.java:84)	at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:206)	at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:149)	at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:75)	at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:811)	at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:784)	at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:789)	at org.hibernate.jpa.spi.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:1181)	at org.openxava.jpa.impl.EntityManagerDecorator.persist(EntityManagerDecorator.java:49)	at com.openxava.oxsigo.modelo.MovimientoDeCarga.registraDetalle(MovimientoDeCarga.java:459)	at com.openxava.oxsigo.modelo.MovimientoDeCarga.preparaRetirar(MovimientoDeCarga.java:321)	at com.openxava.oxsigo.modelo.MovimientoDeCarga.crearDetalleContable(MovimientoDeCarga.java:273)	at com.openxava.oxsigo.acciones.SaveCarga.execute(SaveCarga.java:68)	at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:494)	at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:402)	at org.openxava.controller.ModuleManager.execute(ModuleManager.java:359)	at org.apache.jsp.xava.execute_jsp._jspService(execute_jsp.java:196)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:604)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:543)	at org.openxava.web.servlets.Servlets.getURIAsStream(Servlets.java:66)	at org.openxava.web.dwr.Module.getURIAsStream(Module.java:202)	at org.openxava.web.dwr.Module.request(Module.java:61)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34)	at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)	at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431)	at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283)	at org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52)	at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101)	at org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:957)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)	at java.lang.Thread.run(Thread.java:745)