ConstraintViolationException in Enlinkd for OSPF

Exception in thread "Scheduler-Thread-6-of-5" org.springframework.dao.DataIntegrityViolationException: could not insert: [org.opennms.netmgt.model.OspfElement]; SQL [insert into ospfElement (nodeId, ospfASBdrRtrStatus, ospfAdminStat, ospfBdrRtrStatus, ospfNodeCreateTime, ospfNodeLastPollTime, ospfRouterId, ospfRouterIdIfindex, ospfRouterIdNetmask, ospfVersionNumber, id) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)]; constraint [ospfrouteridnetmask]; nested exception is org.hibernate.exception.ConstraintViolationException: could not insert: [org.opennms.netmgt.model.OspfElement]
        at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:659)
        at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:414)
        at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:416)
        at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:379)
        at org.springframework.orm.hibernate3.HibernateTemplate.flush(HibernateTemplate.java:938)
        at org.opennms.netmgt.dao.hibernate.AbstractDaoHibernate.flush(AbstractDaoHibernate.java:94)
        at org.opennms.netmgt.enlinkd.EnhancedLinkdServiceImpl.store(EnhancedLinkdServiceImpl.java:442)
        at org.opennms.netmgt.enlinkd.EnhancedLinkdServiceImpl$$FastClassBySpringCGLIB$$fe4d2451.invoke(<generated>)
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:708)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
        at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644)
        at org.opennms.netmgt.enlinkd.EnhancedLinkdServiceImpl$$EnhancerBySpringCGLIB$$fa8dd034.store(<generated>)
        at org.opennms.netmgt.enlinkd.NodeDiscoveryOspf.runCollection(NodeDiscoveryOspf.java:119)
        at org.opennms.netmgt.enlinkd.NodeDiscovery.run(NodeDiscovery.java:121)
        at org.opennms.netmgt.enlinkd.scheduler.Scheduler$1.run(Scheduler.java:209)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at org.opennms.core.concurrent.LogPreservingThreadFactory$3.run(LogPreservingThreadFactory.java:124)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.hibernate.exception.ConstraintViolationException: could not insert: [org.opennms.netmgt.model.OspfElement]
        at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:96)
        at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
        at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2455)
        at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2875)
        at org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:79)
        at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:273)
        at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:265)
        at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:184)
        at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
        at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51)
        at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216)
        at org.springframework.orm.hibernate3.HibernateTemplate$27.doInHibernate(HibernateTemplate.java:941)
        at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:411)
        ... 21 more
Caused by: org.postgresql.util.PSQLException: ERROR: null value in column "ospfrouteridnetmask" violates not-null constraint
  Detail: Failing row contains (554995, 11, 10.0.0.10, 1, 2, 2, 2, null, null, 2016-01-05 14:18:10.141-05, 2016-01-05 14:18:10.141-05).
        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2161)
        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1890)
        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255)
        at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:560)
        at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:417)
        at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:363)
        at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:105)
        at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.java:46)
        at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2435)
        ... 31 more