IAE: Listener (MapdustGUI) was not registered before or already removed

[anonymous]

What steps will reproduce the problem?

1. Crash after back from sleep state and sending to a server

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2017-01-02 00:53:29 +0100 (Mon, 02 Jan 2017)
Build-Date:2017-01-02 02:33:21
Revision:11427
Relative:URL: ^/trunk

Identification: JOSM/1.5 (11427 cs) Windows 10 64-Bit
Memory Usage: 545 MB / 910 MB (269 MB allocated, but free)
Java version: 1.8.0_121-b13, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1366x768
Maximum Screen Size: 1366x768

Plugins:
+ ImageWayPoint (33086)
+ InfoMode (33004)
+ buildings_tools (33004)
+ continuosDownload (53)
+ download_along (32946)
+ geochat (33088)
+ gson (32680)
+ mapdust (33044)
+ pointInfo (33131)
+ tagging-preset-tester (33004)
+ terracer (33088)
+ todo (30000)
+ utilsplugin2 (33124)
+ waypoint_search (32699)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/Czech_hiking&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/OneClick&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Quick-highways&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/BuildingPreset&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Czech_Slovak_addresses&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/SlovakiaHiking&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/SkiingTrail&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/hiking_routes_with_trail_marking&zip=1

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/AddressValidator&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Fixme&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Surface&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Maxspeed&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/MTB&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/OsmcSKCZPL&zip=1
- https://github.com/simon04/coloured-addresses.mapcss/raw/master/dist/coloured-addresses.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/MaxspeedIcons&zip=1

Last errors/warnings:
- W: Invalid jar file ''<josm.pref>\plugins\pointInfo.jar.new'' (exists: false, canRead: false)
- W: Invalid jar file ''<josm.pref>\plugins\utilsplugin2.jar.new'' (exists: false, canRead: false)
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$SelectAction@48bf5543
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$AddAction@2a875b6
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$PassAction@51245d29
- W: Old style SideButton usage for action org.openstreetmap.josm.plugins.todo.TodoDialog$MarkAction@1ce3f40
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Listener Hlášení chyb MapDust (instance of org.openstreetmap.josm.plugins.mapdust.gui.MapdustGUI) was not registered before or already removed.


=== REPORTED CRASH DATA ===
DialogsPanel#destroy:
 - dialog: Hlášení chyb MapDust
 - dialog-class: class org.openstreetmap.josm.plugins.mapdust.gui.MapdustGUI

BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (21) of main
java.lang.IllegalArgumentException: Listener Hlášení chyb MapDust (instance of org.openstreetmap.josm.plugins.mapdust.gui.MapdustGUI) was not registered before or already removed.
	at org.openstreetmap.josm.tools.ListenerList.failRemove(ListenerList.java:134)
	at org.openstreetmap.josm.tools.ListenerList$TracingListenerList.failRemove(ListenerList.java:211)
	at org.openstreetmap.josm.tools.ListenerList.removeListener(ListenerList.java:128)
	at org.openstreetmap.josm.tools.ListenerList$TracingListenerList.removeListener(ListenerList.java:195)
	at org.openstreetmap.josm.data.Preferences.removePreferenceChangeListener(Preferences.java:245)
	at org.openstreetmap.josm.gui.dialogs.ToggleDialog.destroy(ToggleDialog.java:460)
	at org.openstreetmap.josm.plugins.mapdust.gui.MapdustGUI.destroy(MapdustGUI.java:154)
	at org.openstreetmap.josm.gui.dialogs.DialogsPanel.destroy(DialogsPanel.java:326)
	at org.openstreetmap.josm.gui.MapFrame.destroy(MapFrame.java:320)
	at org.openstreetmap.josm.gui.MainPanel.updateContent(MainPanel.java:58)
	at org.openstreetmap.josm.gui.MainPanel$1.afterLastLayerRemoved(MainPanel.java:160)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.realRemoveSingleLayer(MainLayerManager.java:270)
	at org.openstreetmap.josm.gui.layer.LayerManager.realRemoveLayer(LayerManager.java:228)
	at org.openstreetmap.josm.gui.layer.LayerManager.lambda$removeLayer$1(LayerManager.java:214)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:138)
	at org.openstreetmap.josm.gui.layer.LayerManager.removeLayer(LayerManager.java:214)
	at org.openstreetmap.josm.gui.layer.LayerManager.realResetState(LayerManager.java:455)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.realResetState(MainLayerManager.java:376)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:138)
	at org.openstreetmap.josm.gui.layer.LayerManager.resetState(LayerManager.java:449)
	at org.openstreetmap.josm.Main.shutdown(Main.java:879)
	at org.openstreetmap.josm.gui.MainApplication.shutdown(MainApplication.java:120)
	at org.openstreetmap.josm.Main.exitJosm(Main.java:858)
	at org.openstreetmap.josm.gui.MainFrame$ExitWindowAdapter.windowClosing(MainFrame.java:162)
	at java.awt.AWTEventMulticaster.windowClosing(Unknown Source)
	at java.awt.AWTEventMulticaster.windowClosing(Unknown Source)
	at java.awt.Window.processWindowEvent(Unknown Source)
	at javax.swing.JFrame.processWindowEvent(Unknown Source)
	at java.awt.Window.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)