DataIntegrityProblemException after trying to solve conflicts

[watergeus]

What steps will reproduce the problem?

1. No idea. Problem pops up after trying to upload changes
2. tried to solve problem with accepting my modifications

What is the expected result?

What happens instead?

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

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-09-06 16:54:59 +0200 (Sun, 06 Sep 2020)
Build-Date:2020-09-07 01:30:48
Revision:17013
Relative:URL: ^/trunk

Identification: JOSM/1.5 (17013 en) Windows 10 64-Bit
OS Build number: Windows 10 Enterprise 1803 (17134)
Memory Usage: 943 MB / 1820 MB (198 MB allocated, but free)
Java version: 1.8.0_261-b12, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1920x1080 (scaling 1.0x1.0), \Display1 1920x1080 (scaling 1.0x1.0)
Maximum Screen Size: 1920x1080
Best cursor sizes: 16x16 -> 32x32, 32x32 -> 32x32
Program arguments: [%UserProfile%\AppData\Local\Temp\5480-tasks.geoJSON]

Dataset consistency test:
[DELETED REFERENCED] {Way id=644789034 version=1 MVT nodes=[{Node id=6063015136 version=2 V lat=-1.0814836,lon=35.7863722}, {Node id=6063028799 version=1 V lat=-1.07902,lon=35.7922623}, {Node id=6063028800 version=1 V lat=-1.0784159,lon=35.7923174}, {Node id=6063028801 version=1 V lat=-1.0780117,lon=35.7878849}, {Node id=6063028802 version=1 V lat=-1.0784976,lon=35.7867194}, {Node id=6063028804 version=1 V lat=-1.0789303,lon=35.7876391}, {Node id=6063009647 version=2 V lat=-1.0805075,lon=35.7882972}, {Node id=6063028798 version=1 MVD lat=-1.0813361,lon=35.7863106}]} refers to deleted primitive {Node id=6063028798 version=1 MVD lat=-1.0813361,lon=35.7863106}


Plugins:
+ BuildingGeneralization (23)
+ FastDraw (35499)
+ ImproveOsm (199)
+ SimplifyArea (35405)
+ apache-commons (35524)
+ apache-http (35092)
+ auto_tools (73)
+ buildings_tools (35500)
+ changeset-viewer (22)
+ continuosDownload (91)
+ contourmerge (v0.1.6)
+ ejml (35313)
+ geochat (35405)
+ geotools (35169)
+ gson (35313)
+ imagery_offset_db (35405)
+ jna (35092)
+ jogl (1.2.3)
+ jts (35122)
+ log4j (35092)
+ mapathoner (1.0.8)
+ mapwithai-dev (aa99c12)
+ markseen (14)
+ measurement (35405)
+ merge-overlap (35248)
+ reltoolbox (35529)
+ reverter (35499)
+ scripting (30798)
+ terracer (35499)
+ todo (30306)
+ touchscreenhelper (35248)
+ turnrestrictions (35515)
+ utilsplugin2 (35487)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/HotNepal&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Quick-highways&zip=1

Map paint styles:
+ https://github.com/MissingMaps/josm_styles/archive/master.zip
- https://josm.openstreetmap.de/josmfile?page=Styles/Fixme&zip=1
- https://github.com/MarkCupitt/HOT-Osm-Validation/blob/master/HOT-Validate.mapcss
- https://github.com/hotosm/HDM-JOSM-style/archive/master.zip
- %UserProfile%\Desktop\JOSM\HOT-Osm-Validation-master.zip
- https://github.com/osmlab/appledata/archive/josm_paint_inline_validation.zip
- %UserProfile%\Desktop\JOSM\Styles_Highway_Nodes.zip
+ %UserProfile%\Desktop\JOSM\HOT-Osm-Validation-master\HOT-Osm-Validation-master\HOT-Validate1.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/MapWithAI&zip=1

Last errors/warnings:
- 00002.237 W: Failed to scan file 'site-github.com-_maripo_JOSM_easypresets_git.txt' for plugin information. Skipping.
- 00002.239 E: org.openstreetmap.josm.plugins.PluginListParseException: java.io.IOException: Illegal entry in plugin list.. Cause: java.io.IOException: Illegal entry in plugin list.
- 00003.087 W: Failed to scan file 'site-github.com-_maripo_JOSM_easypresets_git.txt' for plugin information. Skipping.
- 00003.088 E: org.openstreetmap.josm.plugins.PluginListParseException: java.io.IOException: Illegal entry in plugin list.. Cause: java.io.IOException: Illegal entry in plugin list.
- 00005.605 W: Failed to parse Mappaint styles from 'https://github.com/MarkCupitt/HOT-Osm-Validation/blob/master/HOT-Validate.mapcss'. Error was: Encountered " "<" "< "" at line 6, column 1.
- 00005.605 E: org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException: Encountered " "<" "< "" at line 6, column 1.
- 03556.181 E: Error header: Precondition failed: Node 6063009647 is still used by ways 644789034.
- 03556.311 E: org.openstreetmap.josm.io.OsmApiException: ResponseCode=412, Error Header=<Precondition failed: Node 6063009647 is still used by ways 644789034.>
- 03556.319 E: Object still in use - <html><strong>Failed</strong> to delete <strong>node 6063009647</strong>. It is still referred to by way 644789034.<br>Please load the way, remove the reference to the node, and upload again.<br><br>Click <strong>Prepare conflict resolution</strong> to load them now.<br>If necessary JOSM will create conflicts which you can resolve in the Conflict Resolution Dialog.</html>
- 03564.572 E: Handled by bug report queue: org.openstreetmap.josm.tools.bugreport.ReportedException: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Deleted node referenced: {Way id=644789034 version=1 MVT nodes=[{Node id=6063015136 version=2 V lat=-1.0814836,lon=35.7863722}, {Node id=6063028799 version=1 V lat=-1.07902,lon=35.7922623}, {Node id=6063028800 version=1 V lat=-1.0784159,lon=35.7923174}, {Node id=6063028801 version=1 V lat=-1.0780117,lon=35.7878849}, {Node id=6063028802 version=1 V lat=-1.0784976,lon=35.7867194}, {Node id=6063028804 version=1 V lat=-1.0789303,lon=35.7876391}, {Node id=6063009647 version=2 V lat=-1.0805075,lon=35.7882972}, {Node id=6063028798 version=1 MVD lat=-1.0813361,lon=35.7863106}]} (changed by the following commands: ). Cause: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Deleted node referenced: {Way id=644789034 version=1 MVT nodes=[{Node id=6063015136 version=2 V lat=-1.0814836,lon=35.7863722}, {Node id=6063028799 version=1 V lat=-1.07902,lon=35.7922623}, {Node id=6063028800 version=1 V lat=-1.0784159,lon=35.7923174}, {Node id=6063028801 version=1 V lat=-1.0780117,lon=35.7878849}, {Node id=6063028802 version=1 V lat=-1.0784976,lon=35.7867194}, {Node id=6063028804 version=1 V lat=-1.0789303,lon=35.7876391}, {Node id=6063009647 version=2 V lat=-1.0805075,lon=35.7882972}, {Node id=6063028798 version=1 MVD lat=-1.0813361,lon=35.7863106}]} (changed by the following commands: )


=== REPORTED CRASH DATA ===
sequence_information:
 - sequence_name: Sequence: Resolve to my versions
 - sequence_command: Sequence: Conflict Resolution
 - sequence_index: 1
 - sequence_commands: [org.openstreetmap.josm.command.SequenceCommand;org.openstreetmap.josm.command.SequenceCommand;org.openstreetmap.josm.command.SequenceCommand]
 - sequence_commands_descriptions: [Sequence: Conflict Resolution;Sequence: Conflict Resolution;Sequence: Conflict Resolution]

BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (17) of main
ReportedException [thread=Thread[AWT-EventQueue-0,6,main], exception=org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Deleted node referenced: {Way id=644789034 version=1 MVT nodes=[{Node id=6063015136 version=2 V lat=-1.0814836,lon=35.7863722}, {Node id=6063028799 version=1 V lat=-1.07902,lon=35.7922623}, {Node id=6063028800 version=1 V lat=-1.0784159,lon=35.7923174}, {Node id=6063028801 version=1 V lat=-1.0780117,lon=35.7878849}, {Node id=6063028802 version=1 V lat=-1.0784976,lon=35.7867194}, {Node id=6063028804 version=1 V lat=-1.0789303,lon=35.7876391}, {Node id=6063009647 version=2 V lat=-1.0805075,lon=35.7882972}, {Node id=6063028798 version=1 MVD lat=-1.0813361,lon=35.7863106}]} (changed by the following commands: ), methodWarningFrom=null]
	at org.openstreetmap.josm.command.SequenceCommand.createReportedException(SequenceCommand.java:146)
	at org.openstreetmap.josm.command.SequenceCommand.executeCommand(SequenceCommand.java:114)
	at org.openstreetmap.josm.command.SequenceCommand.executeCommand(SequenceCommand.java:112)
	at org.openstreetmap.josm.data.UndoRedoHandler.addNoRedraw(UndoRedoHandler.java:300)
	at org.openstreetmap.josm.data.UndoRedoHandler.add(UndoRedoHandler.java:354)
	at org.openstreetmap.josm.gui.dialogs.ConflictDialog$ResolveToAction.actionPerformed(ConflictDialog.java:526)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.AbstractButton.doClick(Unknown Source)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.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$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.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)
Caused by: org.openstreetmap.josm.data.osm.DataIntegrityProblemException: Deleted node referenced: {Way id=644789034 version=1 MVT nodes=[{Node id=6063015136 version=2 V lat=-1.0814836,lon=35.7863722}, {Node id=6063028799 version=1 V lat=-1.07902,lon=35.7922623}, {Node id=6063028800 version=1 V lat=-1.0784159,lon=35.7923174}, {Node id=6063028801 version=1 V lat=-1.0780117,lon=35.7878849}, {Node id=6063028802 version=1 V lat=-1.0784976,lon=35.7867194}, {Node id=6063028804 version=1 V lat=-1.0789303,lon=35.7876391}, {Node id=6063009647 version=2 V lat=-1.0805075,lon=35.7882972}, {Node id=6063028798 version=1 MVD lat=-1.0813361,lon=35.7863106}]} (changed by the following commands: )
	at org.openstreetmap.josm.data.osm.Way.checkNodes(Way.java:537)
	at org.openstreetmap.josm.data.osm.Way.fireNodesChanged(Way.java:555)
	at org.openstreetmap.josm.data.osm.Way.setNodes(Way.java:66)
	at org.openstreetmap.josm.data.osm.DataSet.lambda$unlinkNodeFromWays$14(DataSet.java:799)
	at org.openstreetmap.josm.data.osm.DataSet.update(DataSet.java:989)
	at org.openstreetmap.josm.data.osm.DataSet.unlinkNodeFromWays(DataSet.java:791)
	at org.openstreetmap.josm.data.osm.DataSet.lambda$unlinkReferencesToPrimitive$17(DataSet.java:843)
	at org.openstreetmap.josm.data.osm.DataSet.update(DataSet.java:989)
	at org.openstreetmap.josm.data.osm.DataSet.unlinkReferencesToPrimitive(DataSet.java:840)
	at org.openstreetmap.josm.command.conflict.DeletedStateConflictResolveCommand.deleteMy(DeletedStateConflictResolveCommand.java:77)
	at org.openstreetmap.josm.command.conflict.DeletedStateConflictResolveCommand.executeCommand(DeletedStateConflictResolveCommand.java:60)
	at org.openstreetmap.josm.command.SequenceCommand.executeCommand(SequenceCommand.java:112)
	... 43 more

[GerdP]

Marked as duplicate of #19438.