Doesn't open a new Layer

[anonymous]

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: 2019-04-28 04:36:41 +0200 (Sun, 28 Apr 2019)
Build-Date:2019-04-28 02:37:58
Revision:15031
Relative:URL: ^/trunk

Identification: JOSM/1.5 (15031 it) Windows 8.1 64-Bit
OS Build number: Windows 8.1 Pro (9600)
Memory Usage: 305 MB / 455 MB (106 MB allocated, but free)
Java version: 1.8.0_131-b11, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1920x1080
Maximum Screen Size: 1920x1080
Dataset consistency test: No problems found

Plugins:
+ ColumbusCSV (34985)
+ FastDraw (34977)
+ Mapillary (1.5.18)
+ OpeningHoursEditor (34977)
+ PicLayer (34389)
+ apache-commons (34908)
+ apache-http (34908)
+ buildings_tools (34982)
+ contourmerge (v0.1.4)
+ editgpx (34908)
+ ext_tools (34988)
+ indoor_sweepline (34908)
+ jna (34908)
+ jogl (1.2.3)
+ kendzi3d-resources (0.0.2)
+ log4j (34908)
+ measurement (34977)
+ pdfimport (34977)
+ pt_assistant (705)
+ reverter (34999)
+ routing (${version.entry.commit.revision})
+ tageditor (34977)
+ tagging-preset-tester (34908)
+ turnlanes-tagging (281)
+ turnrestrictions (34977)
+ utilsplugin2 (34977)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/Simple_Indoor_Tagging&zip=1

Map paint styles:
+ <josm.pref>\styles\indoor.mapcss

Last errors/warnings:
- W: Fallita la scansione del file 'site-svn.openstreetmap.org-__svn_bc_34392_applications_editors_josm_dist_PicLayer_jar.txt' per le informazioni dell'estensione. Tralascio.
- E: org.openstreetmap.josm.plugins.PluginListParseException: java.io.IOException: Voce non valida nella lista delle estensioni. PK. Causa: java.io.IOException: Voce non valida nella lista delle estensioni. PK
- W: No configuration settings found.  Using hardcoded default values for all pools.
- W: Fallita la scansione del file 'site-svn.openstreetmap.org-__svn_bc_34392_applications_editors_josm_dist_PicLayer_jar.txt' per le informazioni dell'estensione. Tralascio.
- E: org.openstreetmap.josm.plugins.PluginListParseException: java.io.IOException: Voce non valida nella lista delle estensioni. PK. Causa: java.io.IOException: Voce non valida nella lista delle estensioni. PK
- E: Handled by bug report queue: java.lang.NoClassDefFoundError: org/openstreetmap/josm/Main. Causa: java.lang.ClassNotFoundException: org.openstreetmap.josm.Main


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (18) of main
java.lang.NoClassDefFoundError: org/openstreetmap/josm/Main
	at org.openstreetmap.josm.plugins.piclayer.actions.newlayer.NewLayerFromFileAction.actionPerformed(NewLayerFromFileAction.java:90)
	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.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: java.lang.ClassNotFoundException: org.openstreetmap.josm.Main
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at org.openstreetmap.josm.plugins.PluginClassLoader.loadClass(PluginClassLoader.java:73)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 39 more

[Don-vip]

Closed as duplicate of #17738.
please update your plugins