title: Error: global.nativeTraceBeginSection is not a function
body: <p>I didnt change anything but suddenly I got this error in my xproject and the app got stuck and thing the when I do simulator through my Xcode is working but not with physical device.
    the full log is here:</p>
  
  <pre><code>        'Failed to print error: ', 'global.nativeTraceBeginSection is not a function. (In \'global.nativeTraceBeginSection(TRACE_TAG_REACT_APPS, profileName, args)\', \'global.nativeTraceBeginSection\' is undefined)'
         WARNING: Logging before InitGoogleLogging() is written to STDERR
     E0910 19:37:09.077337 1871998976 JSCHelpers.cpp:137] Got JS Exception: Exception calling object as function: global.nativeTraceEndSection is not a function. (In 'global.nativeTraceEndSection(TRACE_TAG_REACT_APPS)', 'global.nativeTraceEndSection' is undefined) (&lt;unknown file&gt;:2303)
    E0910 19:37:09.077525 1871998976 JSCHelpers.cpp:143] Got JS Stack: endEvent@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:2303:35
    __callFunction@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:2098:24
    http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:1927:29
  __guard@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:2068:11
   callFunctionReturnFlushedQueue@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:1926:19
   callFunctionReturnFlushedQueue@[native code]
  2018-09-10 19:37:09.079 [fatal][tid:com.facebook.react.JavaScript] Error calling Systrace.setEnabled
  
   Unhandled JS Exception: Exception calling object as function: global.nativeTraceEndSection is not a function. (In 'global.nativeTraceEndSection(TRACE_TAG_REACT_APPS)', 'global.nativeTraceEndSection' is undefined) (&lt;unknown file&gt;:2303)
  2018-09-10 19:37:09.082 [error][tid:com.facebook.react.JavaScript] global.nativeTraceBeginSection is not a function. (In 'global.nativeTraceBeginSection(TRACE_TAG_REACT_APPS, profileName, args)', 'global.nativeTraceBeginSection' is undefined)
  2018-09-10 19:37:09.083 [info][tid:com.facebook.react.JavaScript] 'Failed to print error: ', 'Can\'t find variable: regeneratorRuntime'
  E0910 19:37:09.086755 1871998976 JSCHelpers.cpp:137] Got JS Exception: Exception calling object as function: global.nativeTraceBeginSection is not a function. (In 'global.nativeTraceBeginSection(TRACE_TAG_REACT_APPS, profileName, args)', 'global.nativeTraceBeginSection' is undefined) (&lt;unknown file&gt;:2298)
  E0910 19:37:09.086828 1871998976 JSCHelpers.cpp:143] Got JS Stack: beginEvent@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:2298:37
  __invokeCallback@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:2125:28
  http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:1950:32
  __guard@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:2068:11
  invokeCallbackAndReturnFlushedQueue@http://192.168.1.27.xip.io:8081/index.bundle?platform=ios&amp;dev=true&amp;minify=false:1949:19
  invokeCallbackAndReturnFlushedQueue@[native code]
  (lldb) 
  </code></pre>
  
  <p>I have been trying to find solution, didn't succeed with any of them.
  this error shows on my Xcode logged and not on my screen of the phone</p>
  
  <p>Thank you so much for the help!!</p>