objective c - iOS app crashes "tcpConnWorkQueue" -

Is anyone else experiencing this problem?

  Thread: Fixed a crash: tcpConnWorkQueue 0 libsystem_kernel.dylib 0x000000019344f270 __pthread_kill + 8 1 libsystem_pthread.dylib 0x00000001934ed228 pthread_kill + 112 Turn off 2 libsystem_c.dylib 0x00000001933c6b18 between + 112 3 libsystem_malloc.dylib 0x000000019348a3e4 _nano_malloc_check_clear 4 libsystem_malloc.dylib 0x00000001934892f8 nano_free + 192 5 CoreFoundation 0x00000001825c9a04 CFRelease + 1064 6 CFNetwork 0x000000018203f5dc SocketStream :: ~ SocketStream () + 472 7 CFNetwork 0x000000018203f3ec SocketStream :: ~ SocketStream () + 28 8 Korfoundeshn 0x00000001825c9724 CFRelease + 328 9 libdispatch.dylib 0x000000019330d49c _dispatch_call_block_and_release + 24 10 libdispatch.dylib 0x000000019330d45c _dispatch_client_callout + 16 11 libdispatch .dylib 0x0000000193317554 _dispatch_queue_drain + 1216 12 libdispatch.dylib 0x0000000193310564 _dispatch_queue_invoke + 132 13 libdis Patch.dylib 0x0000000193319224 _dispatch_root_queue_drain + 656 14 libdispatch.dylib 0x000000019331a75c _dispatch_worker_thread3 + 108 15 libsystem_pthread.dylib 0x00000001934e92e4 _pthread_wqthread + 816  

/ / main thread

  Thread: com.apple.main-thread 0 libsystem_kernel.dylib 0x000000019872ce7c ​​mach_msg_trap + 8 1 libsystem_kernel.dylib 0x000000019872ccf8 mach_msg + 72 2 Korfoundeshn 0x0000000l8794l808 __CFRunLoopServiceMachPort + 200 3 Korfoundeshn 0x000000018793f75c __CFRunLoopRun + 940 4 core Fundeshn 0x000000018786d664 Sifarn Luprinspeshik + 396 5 Ufoundeshn 0x0000000l948l7500 - [ NSHMLReader Loading WebSite] + 1988 6th Foundation 0x00000001948188C - [NSHTMLReader attributedString] 32 7 U IFoundation 0x00000001947b65e4 _NSReadAttributedStringFromURLOrData + 5804 8 UIFoundation 0x00000001947b4e80 - [NSAttributedString (NSAttributedStringUIFoundationAdditions) initWithData: Options: DocumentAttributes: error:] 148 9 Application 0x00000001000b27b0 - [LAItem setItemDescriptionHtml:] (LAItem.m: 108) 10 Test app 0x00000001000b1e80 - [LAItem initWithDataDictionary:] (LAItem.m: 46) 11 Test App0x00000001000b25dc + [LAItem itemsWithDataArray:] (LAItem.m: 93) 12 Test App0x00000001001394f4 - [oldest updateDidadataMeM] (Latest M: 234) 13 Test App0x000000010015Feb 8_____ [Details View Controller getTestDetailFeed] _block_invoke (TestDetailViewController.m: 165) 14 Test App0x00000001001843dc __86- [Data Centers sendGetRequestWithUr Lendpoint: Urlprmetrs: Sukkessblok: Faalurblok:] _ Blok_invo of (Ldatasentrkm: 163) 15 Libdispatchkdilib 0x000000019860549c _dispac_col_blok_and_riliz + 24 16 Libdispatchkdilib 0x000000019860545c _dispac_claint_colut + 16 17 Libdispatchkdilib 0x0000000198609a70 _dispac_man_kueue_kalbak_4CF + 932 18 CoreFoundation 0x00000001879418dc __kfruँlup_is_srvising_the_man_dispac_kueue__ + 12 19 CoreFoundation 0x000000018793f984 __CFRunLoopRun + 1492 20 CoreFoundation 0x000000018786d664 CFRunLoopRunSpecific + 396 21 Graphics Services 0x00000001909a75a4 GSEventRunModal + 168 22 UIKit 0x000000018c172984 UIApplicationMain + 1488 23 Test App0x00000001001375d0 Main (Main. M: 16) 24 libdyld.dylib 0x000000019862ea08 start + 4  

I f1networking for API hit kit. I can not find the exact scenario It crashes very often, I got a trace from the Crichistic framework.

Thanks in advance.