Closed data layer leaving Mapillary layer present

[Polyglot]

What steps will reproduce the problem?

1. Load data
2. Activate Mapillary layer
3. Remove data layer

What is the expected result?

No error message

What happens instead?

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

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2015-06-16 21:45:58
Last Changed Author: Don-vip
Revision: 8491
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Relative URL: ^/trunk
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2015-06-16 23:27:08 +0200 (Tue, 16 Jun 2015)
Last Changed Rev: 8491

Identification: JOSM/1.5 (8491 en) Windows 7 64-Bit
Memory Usage: 477 MB / 1111 MB (64 MB allocated, but free)
Java version: 1.7.0_40, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM

Plugins:
- AddrInterpolation (31241)
- ImportImagePlugin (31241)
- Mapillary (31280)
- OpeningHoursEditor (31241)
- PicLayer (31241)
- RoadSigns (31241)
- TombPlugin (44)
- alignways (31241)
- buildings_tools (31241)
- commons-imaging (31241)
- contourmerge (1013)
- dataimport (31241)
- fieldpapers (v0.3.0)
- geochat (31241)
- geotools (31126)
- importvec (31241)
- jna (31126)
- jts (31126)
- livegps (31241)
- log4j (31231)
- mapdust (31241)
- measurement (31241)
- mirrored_download (31241)
- opendata (31241)
- pdfimport (31241)
- photo_geotagging (31241)
- photoadjust (31241)
- public_transport (31241)
- reverter (31241)
- scripting (30710)
- tag2link (31241)
- terracer (31241)
- todo (29154)
- turnrestrictions (31241)
- undelete (31241)
- utilsplugin2 (31241)
- walkingpapers (31241)
- wikipedia (31241)

Last errors/warnings:
- W: Could not get presets icon presets/crossing.png
- W: Detected deprecated 'canvas{background-color}' in 'C:\Data\HOT\HOT-Validate.mapcss' which will be removed shortly. Use 'fill-color' instead.
- E: Unable to load module icon: images/be24.png
- E: java.lang.NullPointerException
- E: java.lang.NullPointerException

java.lang.NullPointerException
	at org.openstreetmap.josm.plugins.mapillary.MapillaryMouseAdapter.mouseMoved(MapillaryMouseAdapter.java:212)
	at java.awt.AWTEventMulticaster.mouseMoved(Unknown Source)
	at java.awt.Component.processMouseMotionEvent(Unknown Source)
	at javax.swing.JComponent.processMouseMotionEvent(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)