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java.lang.NullPointerException: 	at com.dwl.base.notification.NotificationManager$NotificationChannel.notify(NotificationManager.java:662)	at com.dwl.base.notification.NotificationManager$NotificationType.notify(NotificationManager.java:402)	at com.dwl.base.notification.NotificationManager.notify(NotificationManager.java:1454)	at com.dwl.base.notification.bean.impl.NotificationBean.notify(NotificationBean.java:142)	at com.dwl.base.notification.EJSLocalCSLNotification_e2801c59.notify(EJSLocalCSLNotification_e2801c59.java)	at com.dwl.base.notification.EJSProxy$$NotificationLocal.notify(Unknown Source)	at au.com.xxxxx.mdm.notification.NotificationHelper.sendNotification(NotificationHelper.java:75)	at au.com.xxxxxx.mdm.behaviour.SingleCustomerViewId.triggerNotification(SingleCustomerViewId.java:159)	at au.com.xxxxxxx.mdm.behaviour.SingleCustomerViewId.execute(SingleCustomerViewId.java:129)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:88)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)	at java.lang.reflect.Method.invoke(Method.java:613)	at com.dwl.base.extensionFramework.JavaExtensionSet.invoke(JavaExtensionSet.java:159)	at com.dwl.base.extensionFramework.ExtensionHandler.executeExtension(ExtensionHandler.java:251)	at com.dwl.base.DWLCommonComponent.handleExtensions(DWLCommonComponent.java:1380)	at com.dwl.base.DWLCommonComponent.postExecute(DWLCommonComponent.java:509)	at com.dwl.tcrm.common.TCRMCommonComponent.postExecute(TCRMCommonComponent.java:263)	at com.dwl.tcrm.coreParty.component.TCRMPersonComponent.addPerson(TCRMPersonComponent.java:1641)	at com.dwl.tcrm.coreParty.component.TCRMPartyComponent.addPerson(TCRMPartyComponent.java:3079)	at com.dwl.tcrm.coreParty.component.TCRMPartyComponent.addPartySimple(TCRMPartyComponent.java:2813)	at com.dwl.tcrm.coreParty.component.TCRMPartyComponent.addParty(TCRMPartyComponent.java:2471)	at com.dwl.tcrm.coreParty.controller.TCRMCorePartyTxnBean.addPerson(TCRMCorePartyTxnBean.java:1764)	at Proxy5aa32899_c04f_46c5_9706_69af241cd3c4.addPerson(Unknown Source)	at Proxy5aa32899_c04f_46c5_9706_69af241cd3c4.addPerson(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:88)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)	at java.lang.reflect.Method.invoke(Method.java:613)	at com.dwl.base.requestHandler.DWLTxnBP.processPersistentObject(DWLTxnBP.java:262)	at com.dwl.base.requestHandler.DWLTxnBP.execute(DWLTxnBP.java:115)	at com.dwl.base.requestHandler.DWLTxnProcessor.processTx(DWLTxnProcessor.java:98)	at com.dwl.unifi.tx.manager.CTxRxFacade.processTxNormal(CTxRxFacade.java:681)	at com.dwl.unifi.tx.manager.CTxRxFacade.processTx(CTxRxFacade.java:544)	at com.dwl.base.requestHandler.DWLRequestHandler.processTransaction(DWLRequestHandler.java:1187)	at com.dwl.base.requestHandler.DWLRequestHandler.processTx(DWLRequestHandler.java:591)	at com.dwl.base.requestHandler.DWLServiceControllerBase.processRequest(DWLServiceControllerBase.java:253)	at com.dwl.base.requestHandler.beans.EJSRemoteCSLDWLServiceController_2c54996d.processRequest(EJSRemoteCSLDWLServiceController_2c54996d.java)	at com.dwl.base.requestHandler.beans._EJSRemoteCSLDWLServiceController_2c54996d_Tie.processRequest(_EJSRemoteCSLDWLServiceController_2c54996d_Tie.java:1)	at com.dwl.base.requestHandler.beans._EJSRemoteCSLDWLServiceController_2c54996d_Tie._invoke(_EJSRemoteCSLDWLServiceController_2c54996d_Tie.java)	at com.ibm.CORBA.iiop.ServerDelegate.dispatchInvokeHandler(ServerDelegate.java:669)	at com.ibm.CORBA.iiop.ServerDelegate.dispatch(ServerDelegate.java:523)	at com.ibm.rmi.iiop.ORB.process(ORB.java:523)	at com.ibm.CORBA.iiop.ORB.process(ORB.java:1575)	at com.ibm.rmi.iiop.Connection.doRequestWork(Connection.java:3039)	at com.ibm.rmi.iiop.Connection.doWork(Connection.java:2922)	at com.ibm.rmi.iiop.WorkUnitImpl.doWork(WorkUnitImpl.java:64)	at com.ibm.ejs.oa.pool.PooledThread.run(ThreadPool.java:118)	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)