Pressing delete key when drawing polygon OSX

[anonymous]

What steps will reproduce the problem?

1. Draw polygon
2. Change mind and press delete until you get back to the first point
3. Bug pop-up as first point input reached.

What is the expected result?

What happens instead?

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

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2017-05-29 16:19:58 +0200 (Mon, 29 May 2017)
Build-Date:2017-05-29 14:25:03
Revision:12275
Relative:URL: ^/trunk

Identification: JOSM/1.5 (12275 en_GB) Mac OS X 10.12.4
OS Build number: Mac OS X 10.12.4 (16E195)
Memory Usage: 740 MB / 910 MB (258 MB allocated, but free)
Java version: 1.8.0_131-b11, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: Display 69508497 2560x1440, Display 69680128 1440x900
Maximum Screen Size: 2560x1440
VM arguments: [-Djava.security.policy=file:<java.home>/lib/security/javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>/bin, -Djava.security.manager, -Djnlpx.origFilenameArg=${HOME}/Library/Application Support/Oracle/Java/Deployment/cache/6.0/56/1ee8cfb8-1813eacf, -Djnlpx.remove=false, -Dsun.awt.warmup=true, -Djava.util.Arrays.useLegacyMergeSort=true, -Dmacosx.jnlpx.dock.name=JOSM, -Dmacosx.jnlpx.dock.icon=${HOME}/Library/Application Support/Oracle/Java/Deployment/cache/6.0/16/47ee53d0-260caa57.icns, -Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp , -Djnlpx.jvm="<java.home>/bin/java"]
Dataset consistency test: No problems found

Plugins:
+ BuildingGeneralization (1010)
+ HouseNumberTaggingTool (33160)
+ buildings_tools (33004)
+ terracer (33088)
+ todo (30100)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/OneClick&zip=1
+ http://maps.openstreetmap.ie/josm/irishboundaries.xml

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Streets&zip=1
- http://kolesar.turistautak.hu/osm/opencellid/api/styles/cellid.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Postcode&zip=1
- https://raw.githubusercontent.com/OpenNauticalChart/josm/master/INT1_MapCSS.mapcss
+ https://josm.openstreetmap.de/josmfile?page=Styles/PowerMapping&zip=1
+ http://maps.openstreetmap.ie/josm/townland.mapcss

Last errors/warnings:
- W: org.openstreetmap.josm.io.OsmTransferException: Could not connect to the OSM server. Please check your internet connection.. Cause: java.net.ConnectException: Connection refused (Connection refused)
- W: java.net.ConnectException: Connection refused (Connection refused)
- W: Already here java.net.ConnectException: Connection refused (Connection refused)
- E: java.net.ConnectException: Connection refused (Connection refused)
- W: org.openstreetmap.josm.io.OsmTransferException: Could not connect to the OSM server. Please check your internet connection.. Cause: java.net.ConnectException: Connection refused (Connection refused)
- E: Handled by bug report queue: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Primitive must be part of the dataset: {Way id=-60679 version=0 MV nodes=[{Node id=-60677 version=0 MV lat=55.11407188637309,lon=-6.644440594017507}, {Node id=-60678 version=0 MV lat=55.11402739818794,lon=-6.644515695869923}]}
- E: Handled by bug report queue: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Primitive must be part of the dataset: {Way id=-60679 version=0 MV nodes=[{Node id=-60677 version=0 MV lat=55.11407188637309,lon=-6.644440594017507}, {Node id=-60678 version=0 MV lat=55.11402739818794,lon=-6.644515695869923}]}
- E: Handled by bug report queue: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Primitive must be part of the dataset: {Way id=-60679 version=0 MV nodes=[{Node id=-60677 version=0 MV lat=55.11407188637309,lon=-6.644440594017507}, {Node id=-60678 version=0 MV lat=55.11402739818794,lon=-6.644515695869923}]}
- E: Handled by bug report queue: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Primitive must be part of the dataset: {Way id=-60679 version=0 MV nodes=[{Node id=-60677 version=0 MV lat=55.11407188637309,lon=-6.644440594017507}, {Node id=-60678 version=0 MV lat=55.11402739818794,lon=-6.644515695869923}]}
- E: Handled by bug report queue: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Primitive must be part of the dataset: {Way id=-60679 version=0 MV nodes=[{Node id=-60677 version=0 MV lat=55.11407188637309,lon=-6.644440594017507}, {Node id=-60678 version=0 MV lat=55.11402739818794,lon=-6.644515695869923}]}


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-2 (49) of javawsApplicationThreadGroup
org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Primitive must be part of the dataset: {Way id=-60679 version=0 MV nodes=[{Node id=-60677 version=0 MV lat=55.11407188637309,lon=-6.644440594017507}, {Node id=-60678 version=0 MV lat=55.11402739818794,lon=-6.644515695869923}]}
	at org.openstreetmap.josm.data.osm.OsmPrimitive.checkDataset(OsmPrimitive.java:252)
	at org.openstreetmap.josm.data.osm.OsmPrimitive.getReferrers(OsmPrimitive.java:996)
	at org.openstreetmap.josm.data.osm.OsmPrimitive.getReferrers(OsmPrimitive.java:1021)
	at org.openstreetmap.josm.actions.CreateMultipolygonAction.getSelectedMultipolygonRelation(CreateMultipolygonAction.java:184)
	at org.openstreetmap.josm.actions.CreateMultipolygonAction.getSelectedMultipolygonRelation(CreateMultipolygonAction.java:175)
	at org.openstreetmap.josm.actions.CreateMultipolygonAction.updateEnabledState(CreateMultipolygonAction.java:273)
	at org.openstreetmap.josm.actions.JosmAction$SelectionChangeAdapter.selectionChanged(JosmAction.java:386)
	at org.openstreetmap.josm.data.osm.event.SelectionEventManager$OldListenerInfo.fire(SelectionEventManager.java:57)
	at org.openstreetmap.josm.data.osm.event.SelectionEventManager.fireEvent(SelectionEventManager.java:203)
	at org.openstreetmap.josm.data.osm.event.SelectionEventManager.lambda$selectionChanged$0(SelectionEventManager.java:198)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

[Don-vip]

Closed as duplicate of #14854.