transmission thread 4 crash

Crashed Thread:  4

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: EXC_I386_GPFLT

Application Specific Information:
Performing @selector(terminate:) from sender NSMenuItem 0x6080000b1f40

Thread 0:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	0x00007fff8d335a3a __semwait_signal + 10
1   libsystem_c.dylib             	0x00007fff90fcbdc0 nanosleep + 200
2   org.m0k.transmission          	0x000000010005cc42 tr_wait_msec + 74
3   org.m0k.transmission          	0x0000000100068bf7 tr_sessionClose + 207
4   org.m0k.transmission          	0x0000000100004cbc -[Controller applicationWillTerminate:] + 1395
5   com.apple.CoreFoundation      	0x00007fff8cbc0e0c __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
6   com.apple.CoreFoundation      	0x00007fff8cab482d _CFXNotificationPost + 2893
7   com.apple.Foundation          	0x00007fff902dedda -[NSNotificationCenter postNotificationName:object:userInfo:] + 68
8   com.apple.AppKit              	0x00007fff87ca1304 -[NSApplication terminate:] + 1604
9   com.apple.AppKit              	0x00007fff87c4c260 -[NSApplication sendAction:to:from:] + 327
10  com.apple.AppKit              	0x00007fff87c671c8 -[NSMenuItem _corePerformAction] + 394
11  com.apple.AppKit              	0x00007fff87c66f04 -[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] + 117
12  com.apple.AppKit              	0x00007fff87c6607c -[NSMenu performKeyEquivalent:] + 289
13  com.apple.AppKit              	0x00007fff87c628e1 -[NSApplication _handleKeyEquivalent:] + 822
14  com.apple.AppKit              	0x00007fff87bd1acc -[NSApplication sendEvent:] + 3293
15  com.apple.AppKit              	0x00007fff87a219f9 -[NSApplication run] + 646
16  com.apple.AppKit              	0x00007fff87a0c783 NSApplicationMain + 940
17  org.m0k.transmission          	0x0000000100001ac5 main + 110
18  org.m0k.transmission          	0x00000001000015f4 start + 52