Error message from plugin routes upon start of JOSM, plugin is deactivated

[t.rother@…]

Repository Root: ​http://josm.openstreetmap.de/svn
Build-Date: 2010-01-06 02:32:05
Last Changed Author: jttt
Revision: 2741
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: ​http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2010-01-05 21:55:49 +0100 (Tue, 05 Jan 2010)
Last Changed Rev: 2741

Memory Usage: 354 MB / 1779 MB (233 MB allocated, but free)
Java version: 1.6.0_0

Dataset consistency test:
No problems found

Plugins: DirectUpload,PicLayer,buildings_tools,colorscheme,dataimport,livegps,openstreetbugs,osmarender,plastic_laf,slippymap,surveyor,tageditor,validator,wmsplugin
Plugin plastic_laf Version: 18962
Plugin DirectUpload Version: 19082
Plugin PicLayer Version: 19062
Plugin buildings_tools Version: 28
Plugin colorscheme Version: 19004
Plugin dataimport Version: 18071
Plugin livegps Version: 19056
Plugin openstreetbugs Version: 19283
Plugin osmarender Version: 18971
Plugin routes Version: 19242
Plugin slippymap Version: 19070
Plugin tageditor Version: 18976
Plugin validator Version: 19229
Plugin wmsplugin Version: 19240
Plugin surveyor Version: 19211

java.lang.NullPointerException

at org.openstreetmap.josm.plugins.routes.RouteDefinition.matches(RouteDefinition.java:30)
at org.openstreetmap.josm.plugins.routes.RouteLayer.paint(RouteLayer.java:109)
at org.openstreetmap.josm.gui.MapView.paint(MapView.java:450)
at javax.swing.JComponent.paintChildren(JComponent.java:866)
at javax.swing.JSplitPane.paintChildren(JSplitPane.java:1042)
at javax.swing.JComponent.paint(JComponent.java:1038)
at javax.swing.JComponent.paintChildren(JComponent.java:866)
at javax.swing.JComponent.paint(JComponent.java:1038)
at javax.swing.JComponent.paintToOffscreen(JComponent.java:5138)
at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:302)
at javax.swing.RepaintManager.paint(RepaintManager.java:1145)
at javax.swing.JComponent._paintImmediately(JComponent.java:5086)
at javax.swing.JComponent.paintImmediately(JComponent.java:4896)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:740)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:696)
at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:676)
at javax.swing.RepaintManager.access$700(RepaintManager.java:57)
at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1550)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:602)
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)

[anonymous]

Closed as duplicate of #4246.