opening Todo list window throws uncaught exceptioin (crash dialog)

[village]

What steps will reproduce the problem?

1. downloaded a small area of OSM data
2. filled Todo list with 2 items (marked in map, added), both ways (railway line)
3. closed josm (no edits, no uploads, nothing saved by manual action
4. opened josm
5. tried to open Todo list window via Menu item Windows

What is the expected result?
Todo list to open, hopefully with my last entries

What happens instead?
Crash/uncaught Exception with error dialog. Josm continues to run.

Please provide any additional information below. Attach a screenshot if
possible.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-10-07 01:31:07
Last Changed Author: stoecker
Revision: 5531
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-10-06 16:58:02 +0200 (Sat, 06 Oct 2012)
Last Changed Rev: 5531

Identification: JOSM/1.5 (5531 de)
Memory Usage: 82 MB / 828 MB (36 MB allocated, but free)
Java version: 1.6.0_24, Sun Microsystems Inc., OpenJDK 64-Bit Server VM
Operating system: Linux

Plugin: AddrInterpolation (28541)
Plugin: DirectDownload (28656)
Plugin: ElevationProfile (28150)
Plugin: FastDraw (28656)
Plugin: FixAddresses (28656)
Plugin: HouseNumberTaggingTool (28656)
Plugin: ImageWayPoint (28656)
Plugin: InfoMode (28656)
Plugin: OpeningHoursEditor (28656)
Plugin: buildings_tools (28656)
Plugin: cadastre-fr (28656)
Plugin: colorscheme (28656)
Plugin: dataimport (28656)
Plugin: download_along (28656)
Plugin: editgpx (28689)
Plugin: epci-fr (26960)
Plugin: ext_tools (28656)
Plugin: gpxfilter (28656)
Plugin: importvec (28656)
Plugin: lakewalker (28656)
Plugin: livegps (28656)
Plugin: mapdust (28656)
Plugin: measurement (28656)
Plugin: merge-overlap (28656)
Plugin: mirrored_download (28656)
Plugin: namemanager (28541)
Plugin: native_password_manager (28658)
Plugin: openstreetbugs (28656)
Plugin: openvisible (28656)
Plugin: osmarender (28541)
Plugin: pdfimport (28656)
Plugin: photo_geotagging (28656)
Plugin: print (28656)
Plugin: public_transport (28656)
Plugin: reltoolbox (28720)
Plugin: reverter (28656)
Plugin: routes (28541)
Plugin: tag2link (28656)
Plugin: todo (28330)
Plugin: turnrestrictions (28656)
Plugin: utilsplugin2 (28656)
Plugin: waydownloader (28492)
Plugin: waypoint_search (28624)
Plugin: wayselector (28541)

java.lang.NullPointerException
	at org.openstreetmap.josm.gui.dialogs.ToggleDialog$ToggleDialogAction.actionPerformed(ToggleDialog.java:214)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2335)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404)
	at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:308)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:374)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:829)
	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:873)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
	at java.awt.Component.processMouseEvent(Component.java:6389)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3268)
	at java.awt.Component.processEvent(Component.java:6154)
	at java.awt.Container.processEvent(Container.java:2045)
	at java.awt.Component.dispatchEventImpl(Component.java:4750)
	at java.awt.Container.dispatchEventImpl(Container.java:2103)
	at java.awt.Component.dispatchEvent(Component.java:4576)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4633)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4297)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4227)
	at java.awt.Container.dispatchEventImpl(Container.java:2089)
	at java.awt.Window.dispatchEventImpl(Window.java:2518)
	at java.awt.Component.dispatchEvent(Component.java:4576)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:672)
	at java.awt.EventQueue.access$400(EventQueue.java:96)
	at java.awt.EventQueue$2.run(EventQueue.java:631)
	at java.awt.EventQueue$2.run(EventQueue.java:629)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:116)
	at java.awt.EventQueue$3.run(EventQueue.java:645)
	at java.awt.EventQueue$3.run(EventQueue.java:643)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:642)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)