Crash after 2 hours printing...

[enaut666]

Hi,
i don't know why but last 3 impressions have crashed to me.
Any clue?
Thanks!

Process: Repetier-Host Mac [392]
Path: /Applications/Repetier-Host Mac.app/Contents/MacOS/Repetier-Host Mac
Identifier: repetier.Repetier-Host-Mac
Version: 0.56 (53)
Code Type: X86 (Native)
Parent Process: ??? [1]
Responsible: Repetier-Host Mac [392]
User ID: 501

Date/Time: 2015-06-02 21:36:18.796 +0200
OS Version: Mac OS X 10.10.3 (14D136)
Report Version: 11
Anonymous UUID: F3659E1

Time Awake Since Boot: 5000 seconds

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

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000

VM Regions Near 0:
-->
__TEXT 0000000000001000-0000000000074000 [ 460K] r-x/rwx SM=COW /Applications/Repetier-Host Mac.app/Contents/MacOS/Repetier-Host Mac

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_platform.dylib 0x9895b1c7 _platform_memmove$VARIANT$sse42 + 215
1 com.apple.CoreFoundation 0x90beb574 _CFXNotificationPost + 2804
2 com.apple.Foundation 0x907d3224 -[NSNotificationCenter postNotificationName:object:userInfo:] + 92
3 com.apple.Foundation 0x907e6772 -[NSNotificationCenter postNotificationName:object:] + 56
4 com.apple.AppKit 0x94449992 -[NSView _sendSurfaceSyncNotificationAndFlushSurfacesWithRegionToDisplay:] + 88
5 com.apple.AppKit 0x9443ab12 -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 5000
6 com.apple.AppKit 0x943ed2ce -[NSView displayIfNeeded] + 1629
7 com.apple.AppKit 0x943ecbbc -[NSWindow displayIfNeeded] + 324
8 com.apple.AppKit 0x943ec7a0 _handleWindowNeedsDisplayOrLayoutOrUpdateConstraints + 1262
9 com.apple.AppKit 0x94bd758b __83-[NSWindow _postWindowNeedsDisplayOrLayoutOrUpdateConstraintsUnlessPostingDisabled]_block_invoke1579 + 58
10 com.apple.CoreFoundation 0x90c61e3d _runLoopObserverWithBlockContext + 29
11 com.apple.CoreFoundation 0x90c6181e CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION + 30
12 com.apple.CoreFoundation 0x90c61760 __CFRunLoopDoObservers + 400
13 com.apple.CoreFoundation 0x90c530c2 __CFRunLoopRun + 946
14 com.apple.CoreFoundation 0x90c52aa6 CFRunLoopRunSpecific + 390
15 com.apple.CoreFoundation 0x90c5290b CFRunLoopRunInMode + 123
16 com.apple.HIToolbox 0x94fab8f8 RunCurrentEventLoopInMode + 262
17 com.apple.HIToolbox 0x94fab631 ReceiveNextEventCommon + 494
18 com.apple.HIToolbox 0x94fab42c _BlockUntilNextEventMatchingListInModeWithFilter + 99
19 com.apple.AppKit 0x943e9721 _DPSNextEvent + 742
20 com.apple.AppKit 0x943e8dc5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 350
21 com.apple.AppKit 0x943dd77c -[NSApplication run] + 907
22 com.apple.AppKit 0x94352bc0 NSApplicationMain + 2082
23 repetier.Repetier-Host-Mac 0x000022a5 0x1000 + 4773

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x95afb8ce kevent64 + 10
1 libdispatch.dylib 0x9bb8773f _dispatch_mgr_invoke + 245
2 libdispatch.dylib 0x9bb873a2 _dispatch_mgr_thread + 52

Thread 2:
0 libsystem_kernel.dylib 0x95af49ce mach_msg_trap + 10
1 libsystem_kernel.dylib 0x95af3a70 mach_msg + 68
2 com.apple.CoreFoundation 0x90c53ef6 __CFRunLoopServiceMachPort + 214
3 com.apple.CoreFoundation 0x90c53309 __CFRunLoopRun + 1529
4 com.apple.CoreFoundation 0x90c52aa6 CFRunLoopRunSpecific + 390
5 com.apple.CoreFoundation 0x90c5290b CFRunLoopRunInMode + 123
6 com.apple.AppKit 0x944b8ea0 _NSEventThread + 283
7 libsystem_pthread.dylib 0x900fce13 _pthread_body + 138
8 libsystem_pthread.dylib 0x900fcd89 _pthread_start + 162
9 libsystem_pthread.dylib 0x900fae52 thread_start + 34

Thread 3:: CVDisplayLink
0 libsystem_kernel.dylib 0x95afa512 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x900fdabe _pthread_cond_wait + 842
2 libsystem_pthread.dylib 0x900fdce1 pthread_cond_timedwait_relative_np + 47
3 com.apple.CoreVideo 0x99a3565d CVDisplayLink::waitUntil(unsigned long long) + 285
4 com.apple.CoreVideo 0x99a346f2 CVDisplayLink::runIOThread() + 674
5 com.apple.CoreVideo 0x99a34439 startIOThread(void*) + 159
6 libsystem_pthread.dylib 0x900fce13 _pthread_body + 138
7 libsystem_pthread.dylib 0x900fcd89 _pthread_start + 162
8 libsystem_pthread.dylib 0x900fae52 thread_start + 34

Thread 4:
0 libsystem_kernel.dylib 0x95afae6a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x900fd2b1 _pthread_wqthread + 939
2 libsystem_pthread.dylib 0x900fae2e start_wqthread + 30

Thread 5:
0 libsystem_kernel.dylib 0x95afae6a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x900fd2b1 _pthread_wqthread + 939
2 libsystem_pthread.dylib 0x900fae2e start_wqthread + 30

Thread 6:: de.harmless.AMSerialPort.readDataInBackgroundThread
0 libsystem_kernel.dylib 0x95afa84e select + 10
1 repetier.Repetier-Host-Mac 0x0000d0a4 0x1000 + 49316
2 com.apple.Foundation 0x9080eaed -[NSThread main] + 45
3 com.apple.Foundation 0x9080e896 __NSThread__main + 1538
4 libsystem_pthread.dylib 0x900fce13 _pthread_body + 138
5 libsystem_pthread.dylib 0x900fcd89 _pthread_start + 162
6 libsystem_pthread.dylib 0x900fae52 thread_start + 34

Thread 0 crashed with X86 Thread State (32-bit):
eax: 0xbfffdf68 ebx: 0x00006720 ecx: 0x00000000 edx: 0xffffff00
edi: 0x00000100 esi: 0xbfffe068 ebp: 0xbfffde28 esp: 0xbfffde20
ss: 0x00000023 efl: 0x00010202 eip: 0x9895b1c7 cs: 0x0000001b
ds: 0x00000023 es: 0x00000023 fs: 0x00000000 gs: 0x0000000f
cr2: 0x00000000

Logical CPU: 2
Error Code: 0x00000006
Trap Number: 14

Binary Images:
0x1000 - 0x73fff +repetier.Repetier-Host-Mac (0.56 - 53) /Applications/Repetier-Host Mac.app/Contents/MacOS/Repetier-Host Mac
0x8d000 - 0xa0fff +org.andymatuschak.Sparkle (1.5 Beta 6 - 313) <5DF2B8A3-560D-4500-6B85-4215644DE532> /Applications/Repetier-Host Mac.app/Contents/Frameworks/Sparkle.framework/Versions/A/Sparkle
0x476f000 - 0x47bcfff com.apple.CloudDocs (1.0 - 321.6) /System/Library/PrivateFrameworks/CloudDocs.framework/CloudDocs
0x47f9000 - 0x47f9ffb +cl_kernels (???) <06965574-B44E-4C51-AAF1-B460DF92E1A9> cl_kernels
0x52a0000 - 0x52a0fff com.apple.quartzframework (1.5 - 1.5) <1AE25E65-02FC-35B5-A1C8-734EC12DA3C1> /System/Library/Frameworks/Quartz.framework/Versions/A/Quartz
0x52a7000 - 0x52aafff com.apple.AppleSystemInfo (3.1.5 - 3.1.5) /System/Library/PrivateFrameworks/AppleSystemInfo.framework/Versions/A/AppleSystemInfo