Cryptic Error Message. No Instructions for Resolution

[jimrosinus@…]

What steps will reproduce the problem?

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: 2019-03-03 00:16:03 +0100 (Sun, 03 Mar 2019)
Build-Date:2019-03-02 23:16:53
Revision:14824
Relative:URL: ^/trunk

Identification: JOSM/1.5 (14824 en) Windows 10 64-Bit
OS Build number: Windows 10 Home 1803 (17134)
Memory Usage: 524 MB / 1820 MB (95 MB allocated, but free)
Java version: 1.8.0_201-b09, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1366x768
Maximum Screen Size: 1366x768
VM arguments: [-Djava.security.manager, -Djava.security.policy=file:<java.home>\lib\security\javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>\bin, -Djnlpx.origFilenameArg=%UserProfile%\Downloads\josm.jnlp, -Djnlpx.remove=false, -Djava.util.Arrays.useLegacyMergeSort=true, -Djnlpx.heapsize=NULL,2048m, -Djnlpx.splashport=52747, -Djnlpx.jvm=<java.home>\bin\javaw.exe]
Dataset consistency test: No problems found

Last errors/warnings:
- W: java.io.IOException: Attribution is not loaded yet
- E: Error header: Precondition failed: Way  requires the nodes with id in (6307057139), which either do not exist, or are not visible.
- W: Error header "Precondition failed: Way  requires the nodes with id in (6307057139), which either do not exist, or are not visible." did not match with an expected pattern
- E: org.openstreetmap.josm.io.OsmApiException: ResponseCode=412, Error Header=<Precondition failed: Way  requires the nodes with id in (6307057139), which either do not exist, or are not visible.>
- E: Precondition violation - org.openstreetmap.josm.gui.widgets.HtmlPanel[,0,0,0x0,invalid,layout=java.awt.BorderLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=9,maximumSize=,minimumSize=,preferredSize=]
- E: Error header: Precondition failed: Way  requires the nodes with id in (6307057139), which either do not exist, or are not visible.
- W: Error header "Precondition failed: Way  requires the nodes with id in (6307057139), which either do not exist, or are not visible." did not match with an expected pattern
- E: org.openstreetmap.josm.io.OsmApiException: ResponseCode=412, Error Header=<Precondition failed: Way  requires the nodes with id in (6307057139), which either do not exist, or are not visible.>
- E: Precondition violation - org.openstreetmap.josm.gui.widgets.HtmlPanel[,0,0,0x0,invalid,layout=java.awt.BorderLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=9,maximumSize=,minimumSize=,preferredSize=]
- E: Handled by bug report queue: java.lang.NullPointerException


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-2 (61) of javawsApplicationThreadGroup
java.lang.NullPointerException
	at java.net.URLEncoder.encode(Unknown Source)
	at java.net.URLEncoder.encode(Unknown Source)
	at javax.swing.text.html.FormView.appendBuffer(Unknown Source)
	at javax.swing.text.html.FormView.loadSelectData(Unknown Source)
	at javax.swing.text.html.FormView.loadElementDataIntoBuffer(Unknown Source)
	at javax.swing.text.html.FormView.getFormData(Unknown Source)
	at javax.swing.text.html.FormView.actionPerformed(Unknown Source)
	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.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.pumpEventsForFilter(Unknown Source)
	at java.awt.WaitDispatchSupport$2.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(Unknown Source)
	at java.awt.Dialog.show(Unknown Source)
	at java.awt.Component.show(Unknown Source)
	at java.awt.Component.setVisible(Unknown Source)
	at java.awt.Window.setVisible(Unknown Source)
	at java.awt.Dialog.setVisible(Unknown Source)
	at org.openstreetmap.josm.gui.HelpAwareOptionPane.doShowOptionDialog(HelpAwareOptionPane.java:347)
	at org.openstreetmap.josm.gui.HelpAwareOptionPane.showOptionDialog(HelpAwareOptionPane.java:283)
	at org.openstreetmap.josm.gui.HelpAwareOptionPane.showOptionDialog(HelpAwareOptionPane.java:362)
	at org.openstreetmap.josm.gui.ExceptionDialogUtil.showErrorDialog(ExceptionDialogUtil.java:45)
	at org.openstreetmap.josm.gui.ExceptionDialogUtil.explainPreconditionFailed(ExceptionDialogUtil.java:86)
	at org.openstreetmap.josm.gui.io.AbstractUploadTask.handlePreconditionFailed(AbstractUploadTask.java:307)
	at org.openstreetmap.josm.gui.io.AbstractUploadTask.handleFailedUpload(AbstractUploadTask.java:352)
	at org.openstreetmap.josm.gui.io.UploadPrimitivesTask.lambda$finish$1(UploadPrimitivesTask.java:382)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDT(GuiHelper.java:198)
	at org.openstreetmap.josm.gui.io.UploadPrimitivesTask.finish(UploadPrimitivesTask.java:336)
	at org.openstreetmap.josm.gui.io.AsynchronousUploadPrimitivesTask.finish(AsynchronousUploadPrimitivesTask.java:146)
	at java.awt.event.InvocationEvent.dispatch(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.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.WaitDispatchSupport$2.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(Unknown Source)
	at java.awt.Dialog.show(Unknown Source)
	at java.awt.Component.show(Unknown Source)
	at java.awt.Component.setVisible(Unknown Source)
	at java.awt.Window.setVisible(Unknown Source)
	at java.awt.Dialog.setVisible(Unknown Source)
	at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doBeginTask$3(PleaseWaitProgressMonitor.java:255)
	at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doInEDT$0(PleaseWaitProgressMonitor.java:113)
	at java.awt.event.InvocationEvent.dispatch(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.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 #16287.