EventLogger throws NPE on Shutdown

[DSheirer]

04:41:02.210 DEBUG i.g.d.c.c.ChannelProcessingManager - Stopping channel: Region 7_Simulcast_Region7TRS [1GB/1GB 81%]
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at io.github.dsheirer.module.log.EventLogger.write(EventLogger.java:129)
at io.github.dsheirer.module.log.CallEventLogger.receive(CallEventLogger.java:37)
at io.github.dsheirer.module.log.CallEventLogger.receive(CallEventLogger.java:26)

    at io.github.dsheirer.sample.Broadcaster.broadcast(Broadcaster.java:121)
    at io.github.dsheirer.sample.Broadcaster.receive(Broadcaster.java:39)
    at io.github.dsheirer.sample.Broadcaster.broadcast(Broadcaster.java:121)
    at io.github.dsheirer.channel.state.DecoderState.broadcast(DecoderState.java:105)
    at io.github.dsheirer.module.decode.p25.P25DecoderState.resetState(P25DecoderState.java:257)
    at io.github.dsheirer.module.decode.p25.P25DecoderState.receiveDecoderStateEvent(P25DecoderState.java:3556)
    at io.github.dsheirer.channel.state.DecoderState$DecoderStateEventListener.receive(DecoderState.java:137)
    at io.github.dsheirer.channel.state.DecoderState$DecoderStateEventListener.receive(DecoderState.java:132)

    at io.github.dsheirer.sample.Broadcaster.broadcast(Broadcaster.java:121)
    at io.github.dsheirer.sample.Broadcaster.receive(Broadcaster.java:39)
    at io.github.dsheirer.channel.state.ChannelState.broadcast(ChannelState.java:458)
    at io.github.dsheirer.channel.state.ChannelState.reset(ChannelState.java:117)
    at io.github.dsheirer.module.ProcessingChain.stop(ProcessingChain.java:653)
    at io.github.dsheirer.controller.channel.ChannelProcessingManager.stopProcessing(ChannelProcessingManager.java:365)
    at io.github.dsheirer.controller.channel.ChannelProcessingManager.shutdown(ChannelProcessingManager.java:397)
    at io.github.dsheirer.gui.SDRTrunk.processShutdown(SDRTrunk.java:419)
    at io.github.dsheirer.gui.SDRTrunk.access$500(SDRTrunk.java:84)
    at io.github.dsheirer.gui.SDRTrunk$4.actionPerformed(SDRTrunk.java:320)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
    at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
    at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:842)
    at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:886)
    at java.awt.Component.processMouseEvent(Component.java:6539)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
    at java.awt.Component.processEvent(Component.java:6304)
    at java.awt.Container.processEvent(Container.java:2239)
    at java.awt.Component.dispatchEventImpl(Component.java:4889)
    at java.awt.Container.dispatchEventImpl(Container.java:2297)
    at java.awt.Component.dispatchEvent(Component.java:4711)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
    at java.awt.Container.dispatchEventImpl(Container.java:2283)
    at java.awt.Window.dispatchEventImpl(Window.java:2746)
    at java.awt.Component.dispatchEvent(Component.java:4711)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
    at java.awt.EventQueue.access$500(EventQueue.java:97)
    at java.awt.EventQueue$3.run(EventQueue.java:709)
    at java.awt.EventQueue$3.run(EventQueue.java:703)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
    at java.awt.EventQueue$4.run(EventQueue.java:733)
    at java.awt.EventQueue$4.run(EventQueue.java:731)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)