Hi All

I have ongoing crash problems - and I have no idea where to start looking 
around for an answer !

The application is built using Xcode 6.1 on 10.10.2.   ( and was running on a 
new Macbook Pro  running 10.10.2 )

The users have given me a detailed account of what they were doing when the 
crash below occurred - and however hard I try I cannot get it to happen again.

In fact this has been an ongoing picture.  The app just blows up from time to 
time, in different places, and I get  a dump similar to below -
        i.e. WW is at the bottom of the stack and then does not appear anywhere 
in the stack, and then we get an invalid access from some Cocoa method or other.


Any comments or suggestions gratefully received !


Peter




Process:               WattWenn [1915]
Path:                  /Applications/WattWenn.app/Contents/MacOS/WattWenn
Identifier:            WattWenn
Version:               V 3.3 [ 0364 20141129 HE ] (???)
Code Type:             X86 (Native)
Parent Process:        ??? [1]
Responsible:           WattWenn [1915]
User ID:               1311087776

Date/Time:             2015-03-12 19:42:26.822 +0000
OS Version:            Mac OS X 10.10.2 (14C1510)
Report Version:        11
Anonymous UUID:        FC5F8E83-9560-DB0D-7F5B-9EB89DE84CCF

Sleep/Wake UUID:       7A3AA95E-945B-46D5-851B-AC3ECC8D4643

Time Awake Since Boot: 25000 seconds
Time Since Wake:       20000 seconds

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x00000000ffffffff

VM Regions Near 0xffffffff:
--> shared memory          00000000ffffa000-00000000ffffb000 [    4K] r-x/r-x 
SM=SHM  
    

Application Specific Information:
objc_msgSend() selector name: objectAtIndex:


Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libobjc.A.dylib                     0x938810ab objc_msgSend + 27
1   com.apple.AppKit                    0x9184a305 -[NSTableView 
_dataSourceValueForColumn:row:] + 69
2   com.apple.AppKit                    0x9194e127 -[NSTableView 
preparedCellAtColumn:row:] + 385
3   com.apple.AppKit                    0x917efc91 -[NSTableView 
_dirtyVisibleCellsForKeyStateChange] + 878
4   com.apple.AppKit                    0x917ef6de -[NSTableView 
_windowChangedKeyState] + 323
5   com.apple.AppKit                    0x917ee2d1 -[NSView 
_windowChangedKeyState] + 276
6   com.apple.AppKit                    0x917ee2d1 -[NSView 
_windowChangedKeyState] + 276
7   com.apple.AppKit                    0x917ef46f -[NSScrollView 
_windowChangedKeyState] + 50
8   com.apple.AppKit                    0x917ee2d1 -[NSView 
_windowChangedKeyState] + 276
9   com.apple.AppKit                    0x917ee2d1 -[NSView 
_windowChangedKeyState] + 276
10  com.apple.AppKit                    0x917ee2d1 -[NSView 
_windowChangedKeyState] + 276
11  com.apple.AppKit                    0x917ee2d1 -[NSView 
_windowChangedKeyState] + 276
12  com.apple.AppKit                    0x917ee16a -[NSFrameView 
_windowChangedKeyState] + 101
13  com.apple.AppKit                    0x91e383b0 -[NSThemeFrame 
_windowChangedKeyState] + 51
14  com.apple.AppKit                    0x917edca9 -[NSWindow 
_setFrameNeedsDisplay:] + 182
15  com.apple.AppKit                    0x917edb03 -[NSWindow(NSWindow_Theme) 
acquireKeyAppearance] + 281
16  com.apple.AppKit                    0x917ed1e4 -[NSWindow becomeKeyWindow] 
+ 1493
17  com.apple.AppKit                    0x917ec652 -[NSWindow 
_changeKeyAndMainLimitedOK:] + 848
18  com.apple.AppKit                    0x91eab4fb -[NSWindow 
_reallySendEvent:] + 10485
19  com.apple.AppKit                    0x91891948 -[NSWindow sendEvent:] + 484
20  com.apple.AppKit                    0x9183f3fd -[NSApplication sendEvent:] 
+ 4758
21  com.apple.AppKit                    0x916b908c -[NSApplication run] + 1003
22  com.apple.AppKit                    0x916a23f0 NSApplicationMain + 2082
23  WattWenn                            0x000e736b main + 43
24  WattWenn                            0x000e6e55 start + 53
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