Hi Spine Team,
When I try to delete a bone which bind to a mesh (see the picture below),

the spine is crashed with a report:
Spine Launcher 1.8.20-full
Windows 7 x86 6.1
Java 1.7.0-u6-unofficial Oracle Corporation
OpenJDK Server VM
Newer version available: 2.0.21
Launching: 2.0.02
Licensed to:
Spine 2.0.02 Professional, LWJGL
ATI Technologies Inc.
AMD Radeon HD 6700 Series
4.4.12874 Compatibility Profile Context 14.100.0.0
Started.
An unexpected error has occurred:
java.lang.RuntimeException
at yl.a(SourceFile:137)
at Cx.a(SourceFile:253)
at fD.a(SourceFile:28)
at dS.a(SourceFile:177)
at dS.a(SourceFile:142)
at com.badlogic.gdx.scenes.scene2d.ui.Button.d(SourceFile:114)
at eu.b(SourceFile:88)
at fF.b(SourceFile:89)
at dY.a(SourceFile:57)
at ea.b(SourceFile:342)
at o.b(SourceFile:96)
at av.e(SourceFile:325)
at ah.run(SourceFile:224)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:711)
at java.awt.EventQueue.access$000(EventQueue.java:104)
at java.awt.EventQueue$3.run(EventQueue.java:672)
at java.awt.EventQueue$3.run(EventQueue.java:670)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:681)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
Would you help us to fix this?
Thank you.