title: Crash on iOS > TCCAccessRequest_block_invoke_2.8
body: <p>I've got an error in my app (iOS 8 to iOS 11) : </p>
  
  <pre><code>Crashed: com.apple.root.default-qos
  0  libsystem_kernel.dylib         0x1839a00a8 __abort_with_payload + 8
  1  libsystem_kernel.dylib         0x18399b100 abort_with_payload_wrapper_internal + 100
  2  libsystem_kernel.dylib         0x18399b12c system_set_sfi_window + 10
  3  TCC                            0x1868ed99c __TCCAccessRequest_block_invoke_2.85 + 222
  4  TCC                            0x1868ed8bc __CRASHING_DUE_TO_PRIVACY_VIOLATION__ + 706
  5  TCC                            0x1868f113c __tccd_send_block_invoke + 316
  6  libxpc.dylib                   0x183aeda0c _xpc_connection_reply_callout + 60
  7  libxpc.dylib                   0x183aed948 _xpc_connection_call_reply_async + 88
  8  libdispatch.dylib              0x18380d758 _dispatch_client_callout3 + 16
  9  libdispatch.dylib              0x183825060 _dispatch_mach_msg_async_reply_invoke$VARIANT$mp + 324
  10 libdispatch.dylib              0x183813f54 _dispatch_queue_override_invoke$VARIANT$mp + 400
  11 libdispatch.dylib              0x18381a1c8 _dispatch_root_queue_drain + 596
  12 libdispatch.dylib              0x183819f10 _dispatch_worker_thread3 + 120
  13 libsystem_pthread.dylib        0x183ab3130 _pthread_wqthread + 1268
  14 libsystem_pthread.dylib        0x183ab2c30 start_wqthread + 4
  </code></pre>
  
  <p>I've read some subjects about errors like this one. Each time, people says that comes from Permissions in infos.plist.</p>
  
  <p>App uses camera, library, geolocation. So I add :
  Privacy - Camera Usage Description
  Privacy - Location When in Use
  Privacy - Photo Library Usage Description</p>
  
  <p>But there is always the same problem. </p>
  
  <p>I add Microphone usage in plist, but same crash occurs.</p>
  
  <p>I don't understand the crash. On my iPhone, everything works perfectly but on some devices, this error cause crashes. Could you help me please ?</p>
  
  <p>Thanks.</p>