Acrobat DC crashes immediately as you click an icon of a tool
Hello. I see a very starnge crash. I have some my plugins in Acrobat DC on OS X. On mostly systems everything is OK. But on two machines with El Capitan one of my plugin crashes when you click an icon in list of tools.
As I see in dump crash apeears not in my plugin's function:
```
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.adobe.Acrobat.framework 0x00000001080cf993 0x105fe3000 + 34523539
1 com.adobe.Acrobat.framework 0x0000000106d889f6 0x105fe3000 + 14309878
2 com.adobe.Acrobat.framework 0x00000001060fb7e7 0x105fe3000 + 1148903
3 com.adobe.Acrobat.framework 0x00000001060fafc8 0x105fe3000 + 1146824
4 com.adobe.Acrobat.framework 0x0000000106046d4c 0x105fe3000 + 408908
5 com.adobe.Acrobat.framework 0x00000001060468ea 0x105fe3000 + 407786
6 com.adobe.Acrobat.framework 0x0000000106048896 0x105fe3000 + 415894
7 com.adobe.Acrobat.framework 0x00000001060486f2 0x105fe3000 + 415474
8 com.adobe.Acrobat.framework 0x0000000106046f00 0x105fe3000 + 409344
9 com.adobe.Acrobat.framework 0x00000001060468ea 0x105fe3000 + 407786
10 com.adobe.Acrobat.framework 0x0000000106048896 0x105fe3000 + 415894
11 com.adobe.Acrobat.framework 0x00000001060486f2 0x105fe3000 + 415474
12 com.adobe.Acrobat.framework 0x0000000106046f00 0x105fe3000 + 409344
13 com.adobe.Acrobat.framework 0x00000001060468ea 0x105fe3000 + 407786
14 com.adobe.Acrobat.framework 0x00000001060465c8 0x105fe3000 + 406984
15 com.adobe.Acrobat.framework 0x000000010699bae3 0x105fe3000 + 10193635
16 com.adobe.Acrobat.framework 0x0000000106045f3b 0x105fe3000 + 405307
17 com.apple.AppKit 0x00007fff9167dcd2 -[NSView _drawRect:clip:] + 3626
18 com.apple.AppKit 0x00007fff916d5cad -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 1873
19 com.apple.AppKit 0x00007fff916d608a -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2862
20 com.apple.AppKit 0x00007fff916d608a -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2862
21 com.apple.AppKit 0x00007fff916d608a -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2862
22 com.apple.AppKit 0x00007fff9167b3fb -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 838
23 com.apple.AppKit 0x00007fff9167c785 -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 5840
24 com.apple.AppKit 0x00007fff9167abe0 -[NSThemeFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 334
25 com.apple.AppKit 0x00007fff91678feb -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 2449
26 com.apple.AppKit 0x00007fff916743f5 -[NSView displayIfNeeded] + 1950
27 com.apple.AppKit 0x00007fff91673c3c -[NSWindow displayIfNeeded] + 232
28 com.adobe.Acrobat.framework 0x000000010603ddb9 0x105fe3000 + 372153
29 com.apple.AppKit 0x00007fff9173c1a4 _handleWindowNeedsDisplayOrLayoutOrUpdateConstraints + 884
30 com.apple.Foundation 0x00007fff97354dec __NSFireTimer + 95
31 com.apple.CoreFoundation 0x00007fff98e58b94 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
32 com.apple.CoreFoundation 0x00007fff98e58823 __CFRunLoopDoTimer + 1075
33 com.apple.CoreFoundation 0x00007fff98e5837a __CFRunLoopDoTimers + 298
34 com.apple.CoreFoundation 0x00007fff98e4f871 __CFRunLoopRun + 1841
35 com.apple.CoreFoundation 0x00007fff98e4eed8 CFRunLoopRunSpecific + 296
36 com.apple.HIToolbox 0x00007fff9dd31935 RunCurrentEventLoopInMode + 235
37 com.apple.HIToolbox 0x00007fff9dd31677 ReceiveNextEventCommon + 184
38 com.apple.HIToolbox 0x00007fff9dd315af _BlockUntilNextEventMatchingListInModeWithFilter + 71
39 com.apple.AppKit 0x00007fff9151bdf6 _DPSNextEvent + 1067
40 com.apple.AppKit 0x00007fff9151b226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
41 com.apple.AppKit 0x00007fff9150fd80 -[NSApplication run] + 682
42 com.adobe.Acrobat.framework 0x0000000105feb201 0x105fe3000 + 33281
43 com.adobe.Acrobat.framework 0x0000000105fe9bae RunAcrobat + 246
44 com.adobe.Acrobat.Pro 0x0000000105fdef47 main + 86
45 libdyld.dylib 0x00007fff8d4f35ad start + 1
```
I also found crash with such dump in the internet:
I have no idea why acrobat crashes. Maybe someone can help me?
