Flutter crash report; please file at https://github.com/flutter/flutter/issues. ## command flutter run --machine --target lib/main.dart -d C35DF74C-018B-42F7-A49C-A40D0F0E64CC --track-widget-creation --start-paused ## exception ProcessException: ProcessException: No such file or directory Command: /usr/bin/xcodebuild -project /Users/maxiaojun/codes/flutter_logan/ios/Runner.xcodeproj -target Runner -showBuildSettings ``` #0 _ProcessImpl._runAndWait (dart:io-patch/process_patch.dart:489:7) #1 _runNonInteractiveProcessSync (dart:io-patch/process_patch.dart:634:18) #2 Process.runSync (dart:io-patch/process_patch.dart:66:12) #3 LocalProcessManager.runSync (package:process/src/interface/local_process_manager.dart:83:20) #4 _runWithLoggingSync (package:flutter_tools/src/base/process.dart:343:48) #5 runCheckedSync (package:flutter_tools/src/base/process.dart:297:10) #6 XcodeProjectInterpreter.getBuildSettings (package:flutter_tools/src/ios/xcodeproj.dart:177:24) #7 IosProject.buildSettings (package:flutter_tools/src/project.dart:372:42) #8 IosProject.isSwift (package:flutter_tools/src/project.dart:364:23) #9 RunCommand.usageValues (package:flutter_tools/src/commands/run.dart:229:35) #10 FlutterCommand._sendUsage (package:flutter_tools/src/runner/flutter_command.dart:411:58) #11 FlutterCommand.run. (package:flutter_tools/src/runner/flutter_command.dart:392:17) #12 AppContext.run. (package:flutter_tools/src/base/context.dart:153:29) #13 _rootRun (dart:async/zone.dart:1124:13) #14 _CustomZone.run (dart:async/zone.dart:1021:19) #15 _runZoned (dart:async/zone.dart:1516:10) #16 runZoned (dart:async/zone.dart:1463:12) #17 AppContext.run (package:flutter_tools/src/base/context.dart:152:18) #18 FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:375:20) #19 CommandRunner.runCommand (package:args/command_runner.dart:197:27) #20 FlutterCommandRunner.runCommand. (package:flutter_tools/src/runner/flutter_command_runner.dart:396:21) #21 AppContext.run. (package:flutter_tools/src/base/context.dart:153:29) #22 _rootRun (dart:async/zone.dart:1124:13) #23 _CustomZone.run (dart:async/zone.dart:1021:19) #24 _runZoned (dart:async/zone.dart:1516:10) #25 runZoned (dart:async/zone.dart:1463:12) #26 AppContext.run (package:flutter_tools/src/base/context.dart:152:18) #27 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:356:19) #28 CommandRunner.run. (package:args/command_runner.dart:112:25) #29 new Future.sync (dart:async/future.dart:224:31) #30 CommandRunner.run (package:args/command_runner.dart:112:14) #31 FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:242:18) #32 run.. (package:flutter_tools/runner.dart:62:22) #33 _rootRun (dart:async/zone.dart:1124:13) #34 _CustomZone.run (dart:async/zone.dart:1021:19) #35 _runZoned (dart:async/zone.dart:1516:10) #36 runZoned (dart:async/zone.dart:1500:12) #37 run. (package:flutter_tools/runner.dart:60:18) #38 AppContext.run. (package:flutter_tools/src/base/context.dart:153:29) #39 _rootRun (dart:async/zone.dart:1124:13) #40 _CustomZone.run (dart:async/zone.dart:1021:19) #41 _runZoned (dart:async/zone.dart:1516:10) #42 runZoned (dart:async/zone.dart:1463:12) #43 AppContext.run (package:flutter_tools/src/base/context.dart:152:18) #44 runInContext (package:flutter_tools/src/context_runner.dart:56:24) #45 run (package:flutter_tools/runner.dart:51:10) #46 main (package:flutter_tools/executable.dart:62:9) #47 main (file:///b/s/w/ir/k/archive/flutter/packages/flutter_tools/bin/flutter_tools.dart:8:3) #48 _startIsolate. (dart:isolate-patch/isolate_patch.dart:299:32) #49 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12) ``` ## flutter doctor ``` [✓] Flutter (Channel stable, v1.7.8+hotfix.4, on Mac OS X 10.14.3 18D109, locale zh-Hans-CN) • Flutter version 1.7.8+hotfix.4 at /Users/maxiaojun/Development/flutter • Framework revision 20e59316b8 (6 weeks ago), 2019-07-18 20:04:33 -0700 • Engine revision fee001c93f • Dart version 2.4.0 [!] Android toolchain - develop for Android devices (Android SDK version 29.0.2) • Android SDK at /Users/maxiaojun/Library/Android/sdk • Android NDK location not configured (optional; useful for native profiling support) • Platform android-29, build-tools 29.0.2 • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405) ✗ Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses [✓] Xcode - develop for iOS and macOS (Xcode 10.2.1) • Xcode at /Applications/Xcode.app/Contents/Developer • Xcode 10.2.1, Build version 10E1001 • CocoaPods version 1.7.5 [✓] iOS tools - develop for iOS devices • ios-deploy 1.9.4 [✓] Android Studio (version 3.5) • Android Studio at /Applications/Android Studio.app/Contents • Flutter plugin version 38.2.3 • Dart plugin version 191.8423 • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405) [✓] VS Code (version 1.37.1) • VS Code at /Applications/Visual Studio Code.app/Contents • Flutter extension version 3.3.0 [✓] Connected device (1 available) • iPhone Xʀ • C35DF74C-018B-42F7-A49C-A40D0F0E64CC • ios • com.apple.CoreSimulator.SimRuntime.iOS-12-2 (simulator) ! Doctor found issues in 1 category. ```