After I have updated monotouch to Version 5.2.13 my App crashes when I
touched inside a UIButton. 

About my Code: (it's a question of a LoginView):

I have a UIViewController which includes a ScrollView. 
For each User the ScrollView provides a UIView (the UserImageView). 
This UserImageView contains a UserImage, Username and so on. Over the
UserImage lays a UIButton which should catches the Touch-Events to selected
a User. 
This Button causes the Exception below more precisely the HitTest Method
from the UIView.

I get the following Stacktrace:


Stacktrace:

  at (wrapper managed-to-native)
MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr)
<IL 0x0009f, 0xffffffff>
  at MonoTouch.UIKit.UIApplication.Main (string[],string,string) [0x00042]
in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:29
  at MF.Stationaer.iPad.Application.Main (string[]) <IL 0x00028, 0x00073>
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object
(object,intptr,intptr,intptr) <IL 0x00050, 0xffffffff>

Native stacktrace:

        0   MFiPad_MD            0x0009061c mono_handle_native_sigsegv + 284
        1   MFiPad_MD            0x000059a8 mono_sigsegv_signal_handler + 248
        2   libsystem_c.dylib                   0x92cd259b _sigtramp + 43
        3   ???                                 0xffffffff 0x0 + 4294967295
        4   UIKit                               0x0228c741 
__38-[UIView(Geometry)
hitTest:withEvent:]_block_invoke_0 + 96
        5   CoreFoundation                      0x0116cf1a 
__NSArrayChunkIterate +
362
        6   CoreFoundation                      0x01138635 __NSArrayEnumerate + 
997
        7   CoreFoundation                      0x01138026 -[NSArray
enumerateObjectsWithOptions:usingBlock:] + 102
        8   UIKit                               0x0228c66b -[UIView(Geometry)
hitTest:withEvent:] + 646
        9   UIKit                               0x0228c765 
__38-[UIView(Geometry)
hitTest:withEvent:]_block_invoke_0 + 132
        10  CoreFoundation                      0x0116cf1a 
__NSArrayChunkIterate +
362
        11  CoreFoundation                      0x01138635 __NSArrayEnumerate + 
997
        12  CoreFoundation                      0x01138026 -[NSArray
enumerateObjectsWithOptions:usingBlock:] + 102
        13  UIKit                               0x0228c66b -[UIView(Geometry)
hitTest:withEvent:] + 646
        14  UIKit                               0x022a1157 -[UIScrollView
hitTest:withEvent:] + 79
        15  UIKit                               0x0228c765 
__38-[UIView(Geometry)
hitTest:withEvent:]_block_invoke_0 + 132
        16  CoreFoundation                      0x0116cf1a 
__NSArrayChunkIterate +
362
        17  CoreFoundation                      0x01138635 __NSArrayEnumerate + 
997
        18  CoreFoundation                      0x01138026 -[NSArray
enumerateObjectsWithOptions:usingBlock:] + 102
        19  UIKit                               0x0228c66b -[UIView(Geometry)
hitTest:withEvent:] + 646
        20  UIKit                               0x0228c765 
__38-[UIView(Geometry)
hitTest:withEvent:]_block_invoke_0 + 132
        21  CoreFoundation                      0x0116cf1a 
__NSArrayChunkIterate +
362
        22  CoreFoundation                      0x01138635 __NSArrayEnumerate + 
997
        23  CoreFoundation                      0x01138026 -[NSArray
enumerateObjectsWithOptions:usingBlock:] + 102
        24  UIKit                               0x0228c66b -[UIView(Geometry)
hitTest:withEvent:] + 646
        25  UIKit                               0x0228c765 
__38-[UIView(Geometry)
hitTest:withEvent:]_block_invoke_0 + 132
        26  CoreFoundation                      0x0116cf1a 
__NSArrayChunkIterate +
362
        27  CoreFoundation                      0x01138635 __NSArrayEnumerate + 
997
        28  CoreFoundation                      0x01138026 -[NSArray
enumerateObjectsWithOptions:usingBlock:] + 102
        29  UIKit                               0x0228c66b -[UIView(Geometry)
hitTest:withEvent:] + 646
        30  UIKit                               0x02286dbd +[UIWindow
_hitTestToPoint:pathIndex:forEvent:] + 378
        31  UIKit                               0x02258ca0
_UIApplicationHandleEvent + 1648
        32  GraphicsServices                    0x047c5ef5 PurpleEventCallback +
1274
        33  CoreFoundation                      0x011a9195
__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 53
        34  CoreFoundation                      0x0110dff2 __CFRunLoopDoSource1 
+
146
        35  CoreFoundation                      0x0110c8da __CFRunLoopRun + 2218
        36  CoreFoundation                      0x0110bd84 CFRunLoopRunSpecific 
+
212
        37  CoreFoundation                      0x0110bc9b CFRunLoopRunInMode + 
123
        38  GraphicsServices                    0x047c47d8 GSEventRunModal + 190
        39  GraphicsServices                    0x047c488a GSEventRun + 103
        40  UIKit                               0x02258626 UIApplicationMain + 
1163
        41  ???                                 0x0b96e514 0x0 + 194438420
        42  ???                                 0x0b96d6c0 0x0 + 194434752
        43  ???                                 0x0b96d33c 0x0 + 194433852
        44  ???                                 0x0b96d42f 0x0 + 194434095
        45  MFiPad_MD            0x00009d12 mono_jit_runtime_invoke + 722
        46  MFiPad_MD            0x00169e4e mono_runtime_invoke + 126
        47  MFiPad_MD            0x0016df34 mono_runtime_exec_main + 420
        48  MFiPad_MD            0x001732e5 mono_runtime_run_main + 725
        49  MFiPad_MD            0x00066f15 mono_jit_exec + 149
        50  MFiPad_MD            0x002115d5 main + 2837
        51  MFiPad_MD            0x00002d65 start + 53

=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================




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