Failed after deleting non-existent object

[LM_1]

What steps will reproduce the problem?

not sure

Validator pointed out an untagged way with zero nodes, it would not select it (at least visibilly). After pressing Del key the crash report appeared

What is the expected result?
program does not crash, non existent nodes are not in validator results or at least deleted quietly

What happens instead?

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

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2012-01-04 02:31:53
Last Changed Author: jttt
Revision: 4760
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-01-03 21:48:04 +0100 (Tue, 03 Jan 2012)
Last Changed Rev: 4760

Identification: JOSM/1.5 (4760 cs)
Memory Usage: 989 MB / 989 MB (455 MB allocated, but free)
Java version: 1.6.0_29, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows 7
Dataset consistency test: No problems found

Plugin: FixAddresses (27357)
Plugin: InfoMode (27355)
Plugin: RoadSigns (27289)
Plugin: Tracer (27354)
Plugin: czechaddress (27352)
Plugin: download_along (27289)
Plugin: editgpx (27289)
Plugin: ext_tools (27289)
Plugin: licensechange (27359)
Plugin: mapdust (27355)
Plugin: measurement (27289)
Plugin: multipoly-convert (27289)
Plugin: namemanager (27355)
Plugin: openstreetbugs (27355)
Plugin: openvisible (27289)
Plugin: public_transport (27355)
Plugin: reltoolbox (27355)
Plugin: routes (27355)
Plugin: routing (27288)
Plugin: tageditor (27289)
Plugin: terracer (27289)
Plugin: turnlanes (27355)
Plugin: turnrestrictions (27355)
Plugin: utilsplugin2 (27355)

java.lang.IllegalArgumentException: {Way id=-7834 version=0 MVD nodes=[]} is already deleted
	at org.openstreetmap.josm.command.DeleteCommand.executeCommand(DeleteCommand.java:118)
	at org.openstreetmap.josm.command.SequenceCommand.executeCommand(SequenceCommand.java:53)
	at org.openstreetmap.josm.data.UndoRedoHa

[skyper]

Closed as duplicate of #6640.