# Crash Report **URL:** \ **Category:** iOS\ **Tags:** sendbird-call, ios\ **Created:** [April 1, 2024, 5:21am UTC](https://community.sendbird.com/t/crash-report/9298 "2024-04-01T05:21:58Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Karl\_Styner](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/karl_styner/32/5068_2.png) [@Karl\_Styner](https://community.sendbird.com/u/Karl_Styner)\ **Post date:** [April 1, 2024, 5:21am UTC](https://community.sendbird.com/t/crash-report/9298/1 "2024-04-01T05:21:58Z")
# Crashlytics - Stack trace # Application: com.iscreammedia.app.hiclass.ios # Platform: apple # Version: 1.21.11 (14) # Issue: d17e1df686870411b1cefa93cbf122de # Session: fe800e3547ce44cdbc996c654df8c798\_DNE\_8\_v2 # Date: Mon Apr 01 2024 14:06:10 GMT+0900 (대한민국 표준시) com.apple.main-thread 0 libsystem\_kernel.dylib 0x1178 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0xf10 mach\_msg2\_internal + 80 2 libsystem\_kernel.dylib 0xe28 mach\_msg\_overwrite + 436 3 libsystem\_kernel.dylib 0xc68 mach\_msg + 24 4 CoreFoundation 0x35a9c + 160 5 CoreFoundation 0x33994 + 1208 6 CoreFoundation 0x333f8 CFRunLoopRunSpecific + 608 7 GraphicsServices 0x34f8 GSEventRunModal + 164 8 UIKitCore 0x22c8a0 + 888 9 UIKitCore 0x22bedc UIApplicationMain + 340 10 HiClass 0x2f45ec main + 17 (AppDelegate.swift:17) 11 ??? 0x1ba75edcc (누락) com.apple.uikit.eventfetch-thread 0 libsystem\_kernel.dylib 0x1178 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0xf10 mach\_msg2\_internal + 80 2 libsystem\_kernel.dylib 0xe28 mach\_msg\_overwrite + 436 3 libsystem\_kernel.dylib 0xc68 mach\_msg + 24 4 CoreFoundation 0x35a9c + 160 5 CoreFoundation 0x33994 + 1208 6 CoreFoundation 0x333f8 CFRunLoopRunSpecific + 608 7 Foundation 0x2c3ec + 212 8 Foundation 0x596ac + 64 9 UIKitCore 0x18e710 + 420 10 Foundation 0xafd40 + 732 11 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 12 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 com.apple.NSURLConnectionLoader 0 libsystem\_kernel.dylib 0x1178 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0xf10 mach\_msg2\_internal + 80 2 libsystem\_kernel.dylib 0xe28 mach\_msg\_overwrite + 436 3 libsystem\_kernel.dylib 0xc68 mach\_msg + 24 4 CoreFoundation 0x35a9c + 160 5 CoreFoundation 0x33994 + 1208 6 CoreFoundation 0x333f8 CFRunLoopRunSpecific + 608 7 CFNetwork 0x25a050 estimatedPropertyListSize + 38188 8 Foundation 0xafd40 + 732 9 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 10 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 com.google.firebase.crashlytics.MachExceptionServer 0 HiClass 0x1042d8c FIRCLSProcessRecordAllThreads + 393 (FIRCLSProcess.c:393) 1 HiClass 0x104316c FIRCLSProcessRecordAllThreads + 424 (FIRCLSProcess.c:424) 2 HiClass 0x1050bc0 FIRCLSHandler + 34 (FIRCLSHandler.m:34) 3 HiClass 0x10513c4 FIRCLSMachExceptionServer + 521 (FIRCLSMachException.c:521) 4 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 5 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 com.apple.CFSocket.private 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 CoreFoundation 0xdf778 + 636 2 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 3 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 WebThread 0 libsystem\_kernel.dylib 0x1178 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0xf10 mach\_msg2\_internal + 80 2 libsystem\_kernel.dylib 0xe28 mach\_msg\_overwrite + 436 3 libsystem\_kernel.dylib 0xc68 mach\_msg + 24 4 CoreFoundation 0x35a9c + 160 5 CoreFoundation 0x33994 + 1208 6 CoreFoundation 0x333f8 CFRunLoopRunSpecific + 608 7 WebCore 0xd47e7c + 780 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 com.facebook.SocketRocket.NetworkThread 0 libsystem\_kernel.dylib 0x1178 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0xf10 mach\_msg2\_internal + 80 2 libsystem\_kernel.dylib 0xe28 mach\_msg\_overwrite + 436 3 libsystem\_kernel.dylib 0xc68 mach\_msg + 24 4 CoreFoundation 0x35a9c + 160 5 CoreFoundation 0x33994 + 1208 6 CoreFoundation 0x333f8 CFRunLoopRunSpecific + 608 7 Foundation 0x2c3ec + 212 8 SocketRocket 0x7964 -[SRRunLoopThread main] + 71 (SRRunLoopThread.m:71) 9 Foundation 0xafd40 + 732 10 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 11 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802b3930 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x28028ce10 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x28028e760 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 com.apple.CFStream.LegacyThread 0 libsystem\_kernel.dylib 0x1178 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0xf10 mach\_msg2\_internal + 80 2 libsystem\_kernel.dylib 0xe28 mach\_msg\_overwrite + 436 3 libsystem\_kernel.dylib 0xc68 mach\_msg + 24 4 CoreFoundation 0x35a9c + 160 5 CoreFoundation 0x33994 + 1208 6 CoreFoundation 0x333f8 CFRunLoopRunSpecific + 608 7 CoreFoundation 0x13dae0 + 300 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802a94a0 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x2802ab570 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x2802aaa30 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 caulk.messenger.shared:21 0 libsystem\_kernel.dylib 0x10f4 semaphore\_wait\_trap + 8 1 caulk 0x1694 caulk::semaphore::timed\_wait(double) + 212 2 caulk 0x14c4 + 36 3 caulk 0x1a73c + 96 4 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 5 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 caulk.messenger.shared:high 0 libsystem\_kernel.dylib 0x10f4 semaphore\_wait\_trap + 8 1 caulk 0x1694 caulk::semaphore::timed\_wait(double) + 212 2 caulk 0x14c4 + 36 3 caulk 0x1a73c + 96 4 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 5 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 caulk::deferred\_logger 0 libsystem\_kernel.dylib 0x10f4 semaphore\_wait\_trap + 8 1 caulk 0x1694 caulk::semaphore::timed\_wait(double) + 212 2 caulk 0x14c4 + 36 3 caulk 0x1a73c + 96 4 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 5 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802b4f00 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x2802b4a50 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x2802b7b10 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x28029c960 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x28029ca50 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x28029d2c0 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802a21c0 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x2802a3cf0 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x2802a3480 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802f9a40 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x2802f9ef0 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x2802f9fe0 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802eec10 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x2802eed00 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x2802ee670 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802b2d00 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x2802b3b10 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x2802b32a0 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 Thread 0 libsystem\_pthread.dylib 0x19fc \_pthread\_wqthread + 438 network\_thread 0x0x2802a1950 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x28028afd0 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b60 RTCShutdownInternalTracer + 117992 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x280288f00 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b50 RTCShutdownInternalTracer + 117976 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 Thread 0 libsystem\_pthread.dylib 0x19fc \_pthread\_wqthread + 438 JavaScriptCore libpas scavenger 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 JavaScriptCore 0x1583168 + 1512 3 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 4 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 network\_thread 0x0x2802a4b40 0 libsystem\_kernel.dylib 0xd860 \_\_select + 8 1 WebRTC 0x17918c RTCShutdownInternalTracer + 86804 2 WebRTC 0x178f70 RTCShutdownInternalTracer + 86264 3 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 4 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 5 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 6 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 7 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 worker\_thread 0x0x2802a4690 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b50 RTCShutdownInternalTracer + 117976 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 signaling\_thread 0x0x2802a6760 0 libsystem\_kernel.dylib 0x1b1c \_\_psynch\_cvwait + 8 1 libsystem\_pthread.dylib 0xfd4 + 1228 2 WebRTC 0x180b50 RTCShutdownInternalTracer + 117976 3 WebRTC 0x180a44 RTCShutdownInternalTracer + 117708 4 WebRTC 0x180cc4 RTCShutdownInternalTracer + 118348 5 WebRTC 0x17bcd8 RTCShutdownInternalTracer + 97888 6 WebRTC 0x17b560 RTCShutdownInternalTracer + 95976 7 WebRTC 0x17c390 RTCShutdownInternalTracer + 99608 8 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 9 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 Thread 0 libsystem\_kernel.dylib 0x96d0 \_\_workq\_kernreturn + 8 1 libsystem\_pthread.dylib 0x19b0 \_pthread\_wqthread + 364 2 libsystem\_pthread.dylib 0x1a04 start\_wqthread + 8 Thread 0 libsystem\_pthread.dylib 0x19fc \_pthread\_wqthread + 438 Thread 0 libsystem\_pthread.dylib 0x19fc \_pthread\_wqthread + 438 com.apple.coremedia.rootQueue.fP-45.mP-47 0 libsystem\_kernel.dylib 0x1178 mach\_msg2\_trap + 8 1 libsystem\_kernel.dylib 0xf10 mach\_msg2\_internal + 80 2 libsystem\_kernel.dylib 0xe28 mach\_msg\_overwrite + 436 3 libsystem\_kernel.dylib 0xc68 mach\_msg + 24 4 libdispatch.dylib 0x1ef00 + 540 5 libdispatch.dylib 0x1f2a0 dispatch\_mach\_send\_with\_result\_and\_wait\_for\_reply + 60 6 libxpc.dylib 0x106d4 xpc\_connection\_send\_message\_with\_reply\_sync + 264 7 CoreMedia 0x12811c FigXPCConnectionSendSyncMessageCreatingReply + 292 8 CoreMedia 0x127b68 FigXPCRemoteClientSendSyncMessageCreatingReply + 48 9 MediaToolbox 0x2cdefc + 176 10 MediaToolbox 0x16826c + 1488 11 MediaToolbox 0x16d140 + 184 12 libdispatch.dylib 0x4300 + 20 13 libdispatch.dylib 0xb894 + 748 14 libdispatch.dylib 0xc3f8 + 432 15 libdispatch.dylib 0x15be4 + 392 16 libdispatch.dylib 0x15974 + 260 17 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 18 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 com.apple.coremedia.sharedRootQueue.47 0 libsystem\_kernel.dylib 0x110c semaphore\_timedwait\_trap + 8 1 libdispatch.dylib 0x4918 + 64 2 libdispatch.dylib 0x4f14 + 76 3 libdispatch.dylib 0x159b8 + 328 4 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 5 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 com.apple.coremedia.sharedRootQueue.47 0 libsystem\_kernel.dylib 0x110c semaphore\_timedwait\_trap + 8 1 libdispatch.dylib 0x4918 + 64 2 libdispatch.dylib 0x4f14 + 76 3 libdispatch.dylib 0x159b8 + 328 4 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 5 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 Thread 0 libsystem\_kernel.dylib 0x96d0 \_\_workq\_kernreturn + 8 1 libsystem\_pthread.dylib 0x19b0 \_pthread\_wqthread + 364 2 libsystem\_pthread.dylib 0x1a04 start\_wqthread + 8 com.apple.coremedia.sharedRootQueue.47 0 libsystem\_kernel.dylib 0x110c semaphore\_timedwait\_trap + 8 1 libdispatch.dylib 0x4918 + 64 2 libdispatch.dylib 0x4f14 + 76 3 libdispatch.dylib 0x159b8 + 328 4 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 5 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 Crashed: AURemoteIO::IOThread 0 SendBirdCalls 0x533d8 SendBirdAudioSink.onLocalAudioFrame(with:timeStamp:busNumber:numFrames:ioData:) + 34 (SendBirdAudioSink.swift:34) 1 SendBirdCalls 0x535b8 @objc SendBirdAudioSink.onLocalAudioFrame(with:timeStamp:busNumber:numFrames:ioData:) + 84 (:84) 2 WebRTC 0x256b14 RTCShutdownInternalTracer + 994460 3 WebRTC 0x258278 RTCShutdownInternalTracer + 1000448 4 libEmbeddedSystemAUs.dylib 0x4598 (누락 UUID 2f4d81b3b0f83193af6e1575f7d1a9a7) 5 libEmbeddedSystemAUs.dylib 0x3ff0 (누락 UUID 2f4d81b3b0f83193af6e1575f7d1a9a7) 6 libAudioToolboxUtility.dylib 0x5494 + 280 7 libAudioToolboxUtility.dylib 0x5370 MSHMIGDispatchMessage + 36 8 libEmbeddedSystemAUs.dylib 0xa2598 (누락 UUID 2f4d81b3b0f83193af6e1575f7d1a9a7) 9 libsystem\_pthread.dylib 0x24d4 \_pthread\_start + 136 10 libsystem\_pthread.dylib 0x1a10 thread\_start + 8 ---
**Author:** ![Karl\_Styner](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/karl_styner/32/5068_2.png) [@Karl\_Styner](https://community.sendbird.com/u/Karl_Styner)\ **Post date:** [April 1, 2024, 5:22am UTC](https://community.sendbird.com/t/crash-report/9298/2 "2024-04-01T05:22:30Z")
위 이슈는 하루 평균 1~20건이 꾸준히 발생 중입니다. ---
**Author:** ![Chinmaya\_Gupta](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/chinmaya_gupta/32/1021_2.png) [@Chinmaya\_Gupta](https://community.sendbird.com/u/Chinmaya_Gupta)\ **Post date:** [April 18, 2024, 12:24pm UTC](https://community.sendbird.com/t/crash-report/9298/3 "2024-04-18T12:24:04Z")
Hello @Karl_Styner Welcome to the Sendbird community! Can you please share: 1. Please share the exact version and platform details which you are using 2. If not using the latest version then can you please test it on the latest version and share your observations? 3. Detailed Reproduction steps if the crash is reproducible. 4. OS version, device type 5. Did it suddenly happen without upgrading the SDK version? 6. Env settings (i.e. xcode ver)