I'm in a MAC, when I want to display a signal from an external device (Bitalino), the following error appears.

MATLAB crash file:/Users/nataliapolo/matlab_crash_dump.1446-1:

------------------------------------------------------------------------
       Segmentation violation detected at Sat Oct 14 15:29:43 2017
------------------------------------------------------------------------

Configuration:
  Crash Decoding      : Disabled - No sandbox or build area path
  Crash Mode          : continue (default)
  Current Graphics Driver: Intel Inc. Intel(R) HD Graphics 6000 Version 2.1 INTEL-10.25.17
  Current Visual      : Quartz
  Default Encoding    : ISO-8859-1
  Deployed            : false
  Host Name           : MacBook-Air-de-Natalia.local
  MATLAB Architecture : maci64
  MATLAB Entitlement ID: Unknown
  MATLAB Root         : /Applications/MATLAB_R2016b_old.app
  MATLAB Version      : 9.1.0.441655 (R2016b)
  OpenGL              : hardware
  Operating System    : Darwin 16.7.0 Darwin Kernel Version 16.7.0: Thu Jun 15 17:36:27 PDT 2017; root:xnu-3789.70.16~2/RELEASE_X86_64 x86_64
  Processor ID        : x86 Family 6 Model 61 Stepping 4, GenuineIntel
  Virtual Machine     : Java 1.7.0_75-b13 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
  Window System       : Quartz

Fault Count: 1

Abnormal termination:
Segmentation violation

Register State (from fault):
  RAX = 0000000000000000  RBX = 422d249e289054ab
  RCX = 0000000000000000  RDX = 43746c7561666544
  RSP = 0000000000000000  RBP = 55544d6c656e6e61
  RSI = 6843746c75616665  RDI = 544d6c656e6e6168

     R8 = 0000000000000000   R9 = 0000000000000000
    R10 = 0000000000000000  R11 = 0000000000000000
    R12 = 0000000000000000  R13 = 00007fff565f7250
    R14 = 000000014ea4f0ab  R15 = 000000014ea5a7e0

    RIP = 0000700001c48060  RFL = 000000014ea56a11

     CS = 0000000000000000   FS = 00007fff565f7270   GS = 000000014ea4f2b9

Stack Trace (from fault):
[  0] 0x000000010bed1d04 /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwfl.dylib+00036100 _ZN2fl4diag15stacktrace_base7captureERKNS0_14thread_contextEm+00000052
[  1] 0x000000010bed4f9a /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwfl.dylib+00049050 _ZN2fl4test17terminate_handledEv+00000810
[  2] 0x000000010bed4a09 /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwfl.dylib+00047625 _ZN2fl4diag13terminate_logEPKcPK17__darwin_ucontext+00000185
[  3] 0x000000010ee21ba8 /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmcr.dylib+00420776 _Z32mnRunPathDependentInitializationN6mlutil10contextmgr5McrIDE+00003016
[  4] 0x000000010ee214e0 /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmcr.dylib+00419040 _Z32mnRunPathDependentInitializationN6mlutil10contextmgr5McrIDE+00001280
[  5] 0x000000010ee1ff7a /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmcr.dylib+00413562 mnFatalSignalHandler+00000154
[  6] 0x00007fffb25fcb3a           /usr/lib/system/libsystem_platform.dylib+00011066 _sigtramp+00000026
[  7] 0x00007fffb257143e             /usr/lib/system/libsystem_malloc.dylib+00017470 malloc_zone_calloc+00000087
[  8] 0x000000014ea4f2b9 /private/var/folders/hg/lq_2t7hs7_n90wk6430w61dh0000gn/T/bluecove_nataliapolo_0/libbluecove.jnilib+00041657 _ZN18RFCOMMChannelClose3runEv+00000021
[  9] 0x000000014ea49c19 /private/var/folders/hg/lq_2t7hs7_n90wk6430w61dh0000gn/T/bluecove_nataliapolo_0/libbluecove.jnilib+00019481 ___Z22synchronousBTOperationP8Runnable_block_invoke+00000107
[ 10] 0x00007fffb23b78fc                  /usr/lib/system/libdispatch.dylib+00006396 _dispatch_client_callout+00000008
[ 11] 0x00007fffb23c3ffb                  /usr/lib/system/libdispatch.dylib+00057339 _dispatch_barrier_sync_f_slow_invoke+00000295
[ 12] 0x00007fffb23b78fc                  /usr/lib/system/libdispatch.dylib+00006396 _dispatch_client_callout+00000008
[ 13] 0x00007fffb23c4aac                  /usr/lib/system/libdispatch.dylib+00060076 _dispatch_main_queue_callback_4CF+00000925
[ 14] 0x00007fff9cca4bc9 /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00814025 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__+00000009
[ 15] 0x00007fff9cc65c0d /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00556045 __CFRunLoopRun+00002205
[ 16] 0x00007fff9cc65114 /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00553236 CFRunLoopRunSpecific+00000420
[ 17] 0x00007fff9c1c5ebc /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+00200380 RunCurrentEventLoopInMode+00000240
[ 18] 0x00007fff9c1c5cf1 /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+00199921 ReceiveNextEventCommon+00000432
[ 19] 0x00007fff9c1c5b26 /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+00199462 _BlockUntilNextEventMatchingListInModeWithFilter+00000071
[ 20] 0x00007fff9a75ea54 /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+00289364 _DPSNextEvent+00001120
[ 21] 0x00007fff9aeda7ee /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+08136686 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]+00002796
[ 22] 0x00007fff9a7533db /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+00242651 -[NSApplication run]+00000926
[ 23] 0x0000000110afa6ac /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwuix.dylib+00059052 _Z23MacSetMcrGetAppNameProcPFNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEvE+00004332
[ 24] 0x00007fff9cc7b45c /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00644188 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__+00000012
[ 25] 0x00007fff9cc7b35b /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00643931 _CFXRegistrationPost+00000427
[ 26] 0x00007fff9cc7b0c2 /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00643266 ___CFXNotificationPost_block_invoke+00000050
[ 27] 0x00007fff9cc38523 /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00369955 -[_CFXNotificationRegistrar find:object:observer:enumerator:]+00001827
[ 28] 0x00007fff9cc3755c /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+00365916 _CFXNotificationPost+00000604
[ 29] 0x00007fff9e65c677 /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation+00026231 -[NSNotificationCenter postNotificationName:object:userInfo:]+00000066
[ 30] 0x00007fff9a8a074f /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+01607503 -[NSApplication _postDidFinishNotification]+00000297
[ 31] 0x00007fff9a8a04b4 /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+01606836 -[NSApplication _sendFinishLaunchingNotification]+00000208
[ 32] 0x00007fff9a763819 /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+00309273 -[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:]+00000552
[ 33] 0x00007fff9a76346b /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+00308331 -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:]+00000661
[ 34] 0x00007fff9e6a7afd /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation+00334589 -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:]+00000290
[ 35] 0x00007fff9e6a7977 /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation+00334199 _NSAppleEventManagerGenericHandler+00000102
[ 36] 0x00007fff9daabf26 /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE+00032550 _Z20aeDispatchAppleEventPK6AEDescPS_jPh+00000544
[ 37] 0x00007fff9daabc9d /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE+00031901 _ZL25dispatchEventAndSendReplyPK6AEDescPS_+00000039
[ 38] 0x00007fff9daabba9 /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE+00031657 aeProcessAppleEvent+00000312
[ 39] 0x00007fff9c1d6ddf /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+00269791 AEProcessAppleEvent+00000055
[ 40] 0x00007fff9a75ed1d /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+00290077 _DPSNextEvent+00001833
[ 41] 0x00007fff9aeda7ee /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+08136686 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]+00002796
[ 42] 0x00007fff9a7533db /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+00242651 -[NSApplication run]+00000926
[ 43] 0x00007fff9a71de0e /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+00024078 NSApplicationMain+00001237
[ 44] 0x0000000110afab0c /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwuix.dylib+00060172 _Z21MacRunApplicationMainb+00000076
[ 45] 0x000000010ee27434 /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmcr.dylib+00443444 _ZN3mcr7runtime9uix_proxy21MacRunApplicationMainEb+00000036
[ 46] 0x000000010ede494c /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmcr.dylib+00170316 _ZN3mcr7runtime10MainThread7runMainERKN5boost9function0IiEEbb+00000284
[ 47] 0x000000010ede470f /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmcr.dylib+00169743 _Z12mcr_run_mainRKN5boost9function0IiEEbb+00000095
[ 48] 0x000000010eb71715 /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwMVMLocal.dylib+00153365 _ZN3mvm6detail11SessionImpl12localRunMainEPS1_RKN5boost9function1IiRKNSt3__16vectorINS5_12basic_stringIDsNS5_11char_traitsIDsEENS5_9allocatorIDsEEEENSA_ISC_EEEEEESG_+00000821
[ 49] 0x00000001097a555f /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmvm.dylib+00681311 _ZN3mvm6detail11SessionImpl7runMainERKN5boost9function1IiRKNSt3__16vectorINS4_12basic_stringIDsNS4_11char_traitsIDsEENS4_9allocatorIDsEEEENS9_ISB_EEEEEESF_+00000095
[ 50] 0x00000001097a5cfc /Applications/MATLAB_R2016b_old.app/bin/maci64/libmwmvm.dylib+00683260 _ZN3mvm6detail11SessionImpl16runMatlabDesktopEv+00000524
[ 51] 0x00000001096069ed /Applications/MATLAB_R2016b_old.app/bin/maci64/../../Contents/MacOS/MATLAB_maci64+00006637 main+00000845
[ 52] 0x00007fffb23ed235                      /usr/lib/system/libdyld.dylib+00021045 start+00000001
[ 53] 0x0000000000000002                                   <unknown-module>+00000000

If this problem is reproducible, please submit a Service Request via:
    http://www.mathworks.com/support/contact_us/

A technical support engineer might contact you with further information.

Thank you for your help.

[Walter Roberson]

It appears to be encountering a malloc failure in libbluecove "BlueCove is a Java library for Bluetooth"

Possibly you need to increase the java heap memory in Preferences (and then restart MATLAB)