Error exiting the relation editor

[anonymous]

I've got an error exiting the relation editor. It seems, the relation was changed out of the relation editor. Then, I open the conflict editor and I got a second error in JOSM

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2013-04-09 01:34:26
Last Changed Author: stoecker
Revision: 5836
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2013-04-07 23:18:22 +0200 (Sun, 07 Apr 2013)
Last Changed Rev: 5836

Identification: JOSM/1.5 (5836 es) Windows Vista
Memory Usage: 494 MB / 494 MB (211 MB allocated, but free)
Java version: 1.7.0_17, Oracle Corporation, Java HotSpot(TM) Client VM
Operating system: Windows Vista
VM arguments: [-Xms16m, -Xmx512m]

Dataset consistency test:
[NO DATASET] 
{Way id=-27605 version=0 MVT> nodes=[{Node id=1991591752 version=1 V lat=40.6050751,lon=-4.0214761}, {Node id=309756954 version=8 V lat=40.6054478,lon=-4.0215948}, {Node id=1659749421 version=1 V lat=40.6060476,lon=-4.0218292}]} 
is referenced by 
{Relation id=2886328 version=1 VT [nodo 2272203253, nodo -26778, nodo -27242, nodo 2272203363, nodo 2272203257, nodo 2272027229, nodo 2272027221, nodo 2272027228, nodo 2272027225, nodo 1833745729, nodo 1833745731, nodo 1667756856, nodo 1867181890, nodo 2271222629, nodo 2272027217, nodo 2272027233, nodo 2057030223, nodo 2272027232, nodo 2272027224, nodo 2272027235, nodo 2272027220, nodo 2272027214, nodo 2271222650, nodo -27725, nodo 2134335157, vía -26855, vía 8397978, vía 27251047, vía -27015, vía -27287, vía 217912662, vía 36928629, vía 36928630, vía 27250995, vía 169766571, vía 36928631, vía 36928633, vía 36928632, vía 36928636, vía 178871528, vía 169766573, vía 36928640, vía 36928637, vía 36928638, vía 36928641, vía 28586180, vía 26216282, vía 178871463, vía 26782037, vía 154250146, vía 154250140, vía 154250149, vía 26782037, vía 178871514, vía 28586492, vía 178871504, vía 28586526, vía 178871492, vía 173658731, vía 173658732, vía 25985355, vía 28556375, vía 25985088, vía 92785531, vía 145606673, vía 26781682, vía 145606815, vía 117323212, vía 195233245, vía 93497377, vía 37801109, vía 152013827, vía 93497390, vía 37801862, vía 188530892, vía 188530893, vía 188530897, vía 217818506, vía 153270170, vía 26256415, vía 217818508, vía -27605, vía 153270166, vía 48001594, vía 182701104, vía 182701085, vía 182701073, vía 25985445, vía 143045479, vía 143044004, vía 143045478, vía 143044005, vía 143126428, vía 143126417, vía 27251466, vía 27251509, vía 27251513, vía 27810706, vía 25985448, vía 25985447, vía 27252294, vía 217818497, vía 217818501, vía 217818498, vía 217818502, vía 27183453, vía 25985729, vía 203423649, vía 203423651, vía 27810263, vía 187787588]} 
but not found in dataset


Plugin: DirectDownload (29435)
Plugin: ElevationProfile (29435)
Plugin: FixAddresses (29500)
Plugin: OpeningHoursEditor (29435)
Plugin: PicLayer (29435)
Plugin: alignways (29435)
Plugin: buildings_tools (29435)
Plugin: editgpx (29435)
Plugin: graphview (29435)
Plugin: log4j (29435)
Plugin: merge-overlap (29435)
Plugin: namemanager (29435)
Plugin: openstreetbugs (29435)
Plugin: openvisible (29435)
Plugin: osmarender (29435)
Plugin: pdfimport (29435)
Plugin: public_transport (29435)
Plugin: routing (29435)
Plugin: turnlanes (29435)
Plugin: turnrestrictions (29435)
Plugin: wikipedia (29435)

java.lang.IllegalArgumentException: Relation member cannot be null
	at org.openstreetmap.josm.data.osm.RelationMember.<init>(RelationMember.java:123)
	at org.openstreetmap.josm.gui.conflict.pair.relation.RelationMemberListMergeModel.cloneEntryForMergedList(RelationMemberListMergeModel.java:90)
	at org.openstreetmap.josm.gui.conflict.pair.relation.RelationMemberListMergeModel.populate(RelationMemberListMergeModel.java:78)
	at org.openstreetmap.josm.gui.conflict.pair.relation.RelationMemberMerger.populate(RelationMemberMerger.java:54)
	at org.openstreetmap.josm.gui.conflict.pair.ConflictResolver.populate(ConflictResolver.java:249)
	at org.openstreetmap.josm.gui.dialogs.ConflictDialog.resolve(ConflictDialog.java:159)
	at org.openstreetmap.josm.gui.dialogs.ConflictDialog.access$000(ConflictDialog.java:63)
	at org.openstreetmap.josm.gui.dialogs.ConflictDialog$ResolveAction.actionPerformed(ConflictDialog.java:376)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$200(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)

[Don-vip]

Closed as duplicate of #6416.