Pasting relations in new layer produces exception

[Stereo]

What steps will reproduce the problem?

1. Download Esch-sur-Alzette area
2. Search for boundary=administrative admin_level=9
3. Copy
4. Create new layer
5. Paste

What is the expected result?

Objects are pasted in new layer

What happens instead?

Null pointer exception

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

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-03-07 02:32:17
Last Changed Author: stoecker
Revision: 5047
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-03-06 10:30:34 +0100 (Tue, 06 Mar 2012)
Last Changed Rev: 5047

Identification: JOSM/1.5 (5047 en_GB)
Memory Usage: 755 MB / 2031 MB (226 MB allocated, but free)
Java version: 1.6.0_29, Apple Inc., Java HotSpot(TM) 64-Bit Server VM
Operating system: Mac OS X
Dataset consistency test: No problems found

Plugin: AddrInterpolation (27852)
Plugin: CommandLine (27981)
Plugin: DirectDownload (27649)
Plugin: DirectUpload (27865)
Plugin: FixAddresses (27907)
Plugin: ImportImagePlugin (27906)
Plugin: OpeningHoursEditor (27852)
Plugin: PicLayer (27883)
Plugin: RoadSigns (27868)
Plugin: buildings_tools (27984)
Plugin: cadastre-fr (27981)
Plugin: contourmerge (1003)
Plugin: dataimport (27289)
Plugin: download_along (27852)
Plugin: importvec (27852)
Plugin: licensechange (27964)
Plugin: livegps (27852)
Plugin: mapdust (27884)
Plugin: namemanager (27906)
Plugin: openstreetbugs (27852)
Plugin: pdfimport (27867)
Plugin: proj4j (27902)
Plugin: public_transport (28014)
Plugin: restart (27852)
Plugin: surveyor (27885)
Plugin: terracer (27852)
Plugin: turnlanes (27927)
Plugin: turnrestrictions (27891)
Plugin: utilsplugin2 (28045)
Plugin: wayselector (27852)

java.lang.NullPointerException
	at org.openstreetmap.josm.actions.PasteAction.pasteData(PasteAction.java:52)
	at org.openstreetmap.josm.actions.PasteAction.actionPerformed(PasteAction.java:42)
	at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1645)
	at javax.swing.JComponent.processKeyBinding(JComponent.java:2851)
	at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:267)
	at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:229)
	at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2928)
	at javax.swing.JComponent.processKeyBindings(JComponent.java:2920)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2814)
	at java.awt.Component.processEvent(Component.java:6150)
	at java.awt.Container.processEvent(Container.java:2085)
	at java.awt.Component.dispatchEventImpl(Component.java:4735)
	at java.awt.Container.dispatchEventImpl(Container.java:2143)
	at java.awt.Component.dispatchEvent(Component.java:4565)
	at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676)
	at java.awt.Component.dispatchEventImpl(Component.java:4607)
	at java.awt.Container.dispatchEventImpl(Container.java:2143)
	at java.awt.Window.dispatchEventImpl(Window.java:2478)
	at java.awt.Component.dispatchEvent(Component.java:4565)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:679)
	at java.awt.EventQueue.access$000(EventQueue.java:85)
	at java.awt.EventQueue$1.run(EventQueue.java:638)
	at java.awt.EventQueue$1.run(EventQueue.java:636)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
	at java.awt.EventQueue$2.run(EventQueue.java:652)
	at java.awt.EventQueue$2.run(EventQueue.java:650)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:649)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:12