IllegalStateException while merging power lines

[meppen7]

Error message when merging power lines

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2014-02-01 02:36:29
Last Changed Author: Don-vip
Revision: 6798
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2014-02-01 03:18:43 +0100 (Sat, 01 Feb 2014)
Last Changed Rev: 6798

Identification: JOSM/1.5 (6798 de) Linux openSUSE 13.1 (Bottle) (x86_64)
Memory Usage: 407 MB / 835 MB (190 MB allocated, but free)
Java version: 1.7.0_51, Oracle Corporation, OpenJDK 64-Bit Server VM
Dataset consistency test: No problems found

Plugin: AddrInterpolation (30034)
Plugin: ColumbusCSV (29854)
Plugin: CommandLine (30203)
Plugin: Create_grid_of_ways (29854)
Plugin: FastDraw (29854)
Plugin: FixAddresses (29971)
Plugin: HouseNumberTaggingTool (30172)
Plugin: ImportImagePlugin (29854)
Plugin: InfoMode (29854)
Plugin: OpeningHoursEditor (30117)
Plugin: PicLayer (29854)
Plugin: RoadSigns (30034)
Plugin: SeaMapEditor (29934)
Plugin: SimplifyArea (30145)
Plugin: TombPlugin (44)
Plugin: Tracer2 (30077)
Plugin: alignways (29854)
Plugin: buildings_tools (30057)
Plugin: conflation (0.1.6)
Plugin: contourmerge (1010)
Plugin: dataimport (29854)
Plugin: download_along (30017)
Plugin: editgpx (29854)
Plugin: fieldpapers (b49dadd)
Plugin: geochat (30234)
Plugin: geotools (30147)
Plugin: gpsblam (29832)
Plugin: gpxfilter (29854)
Plugin: graphview (30145)
Plugin: imagery_offset_db (30218)
Plugin: imageryadjust (29854)
Plugin: jts (29854)
Plugin: junctionchecking (30205)
Plugin: livegps (30234)
Plugin: log4j (29853)
Plugin: mapdust (29854)
Plugin: mbtiles (v1.1)
Plugin: measurement (30104)
Plugin: merge-overlap (30034)
Plugin: michigan_left (29854)
Plugin: mirrored_download (30162)
Plugin: namemanager (29930)
Plugin: native_password_manager (29832)
Plugin: notes (v0.8)
Plugin: opendata (30213)
Plugin: openstreetbugs (30004)
Plugin: openvisible (29854)
Plugin: pbf (29854)
Plugin: photo_geotagging (30110)
Plugin: print (30173)
Plugin: proj4j (29854)
Plugin: public_transport (29862)
Plugin: reltoolbox (30209)
Plugin: reverter (30031)
Plugin: routing (30145)
Plugin: scripting (30560)
Plugin: surveyor (30145)
Plugin: tageditor (30110)
Plugin: turnlanes (30043)
Plugin: turnrestrictions (30237)
Plugin: undelete (30207)
Plugin: utilsplugin2 (30200)
Plugin: videomapping (29854)
Plugin: walkingpapers (29854)
Plugin: waydownloader (29908)
Plugin: wikipedia (30125)

java.lang.IllegalStateException: Merkmalssammlung enthält nicht den gewählten Wert "line"
	at org.openstreetmap.josm.gui.conflict.tags.MultiValueResolutionDecision.keepOne(MultiValueResolutionDecision.java:100)
	at org.openstreetmap.josm.gui.conflict.tags.TagConflictResolverModel.setValueAt(TagConflictResolverModel.java:170)
	at javax.swing.JTable.setValueAt(JTable.java:2741)
	at javax.swing.JTable.editingStopped(JTable.java:4723)
	at javax.swing.AbstractCellEditor.fireEditingStopped(AbstractCellEditor.java:141)
	at javax.swing.AbstractCellEditor.stopCellEditing(AbstractCellEditor.java:85)
	at javax.swing.JTable$CellEditorRemover.propertyChange(JTable.java:5970)
	at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:328)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
	at java.awt.KeyboardFocusManager.firePropertyChange(KeyboardFocusManager.java:1434)
	at java.awt.KeyboardFocusManager.setGlobalPermanentFocusOwner(KeyboardFocusManager.java:738)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:547)
	at java.awt.Component.dispatchEventImpl(Component.java:4731)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at sun.awt.SunToolkit$1.run(SunToolkit.java:507)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:694)
	at java.awt.EventQueue$3.run(EventQueue.java:692)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:154)
	at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:182)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:221)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:219)
	at java.awt.Dialog.show(Dialog.java:1082)
	at java.awt.Component.show(Component.java:1651)
	at java.awt.Component.setVisible(Component.java:1603)
	at java.awt.Window.setVisible(Window.java:1014)
	at java.awt.Dialog.setVisible(Dialog.java:1005)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.setVisible(CombinePrimitiveResolverDialog.java:370)
	at org.openstreetmap.josm.gui.conflict.tags.CombinePrimitiveResolverDialog.launchIfNecessary(CombinePrimitiveResolverDialog.java:520)
	at org.openstreetmap.josm.actions.CombineWayAction.combineWaysWorker(CombineWayAction.java:184)
	at org.openstreetmap.josm.actions.CombineWayAction.actionPerformed(CombineWayAction.java:216)
	at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1662)
	at javax.swing.JComponent.processKeyBinding(JComponent.java:2869)
	at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:307)
	at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:263)
	at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2961)
	at javax.swing.JComponent.processKeyBindings(JComponent.java:2953)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2832)
	at java.awt.Component.processEvent(Component.java:6282)
	at java.awt.Container.processEvent(Container.java:2229)
	at java.awt.Component.dispatchEventImpl(Component.java:4861)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1895)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:762)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1027)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:899)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:727)
	at java.awt.Component.dispatchEventImpl(Component.java:4731)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Window.dispatchEventImpl(Window.java:2719)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:694)
	at java.awt.EventQueue$3.run(EventQueue.java:692)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.awt.EventQueue$4.run(EventQueue.java:708)
	at java.awt.EventQueue$4.run(EventQueue.java:706)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)