错误描述

找不到Android SDK Build-Tools 26.0.2

UATHelper: Packaging (Android (ATC)): FAILURE: Build failed with an exception.
UATHelper: Packaging (Android (ATC)): * What went wrong:
UATHelper: Packaging (Android (ATC)): A problem occurred configuring project ':app'.
UATHelper: Packaging (Android (ATC)): > You have not accepted the license agreements of the following SDK components:
UATHelper: Packaging (Android (ATC)):   [Android SDK Build-Tools 26.0.2].
UATHelper: Packaging (Android (ATC)):   Before building your project, you need to accept the license agreements and complete the installation of the missing components using the Android Studio SDK Manager.
UATHelper: Packaging (Android (ATC)):   Alternatively, to learn how to transfer the license agreements from one workstation to another, go to http://d.android.com/r/studio-ui/export-licenses.html
UATHelper: Packaging (Android (ATC)): * Try:
UATHelper: Packaging (Android (ATC)): Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
UATHelper: Packaging (Android (ATC)): * Get more help at https://help.gradle.org
UATHelper: Packaging (Android (ATC)): BUILD FAILED in 1m 1s
UATHelper: Packaging (Android (ATC)): 'subst' is not recognized as an internal or external command,
UATHelper: Packaging (Android (ATC)): operable program or batch file.
UATHelper: Packaging (Android (ATC)): ERROR: cmd.exe failed with args /c "G:\UE4-project\MultiShootingDemo\Intermediate/Android/APK\gradle\rungradle.bat" :app:assembleDebug
UATHelper: Packaging (Android (ATC)):        (see G:\UnrealEngine-4.21\Engine\Programs\AutomationTool\Saved\Logs\Log.txt for full exception trace)
UATHelper: Packaging (Android (ATC)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
UATHelper: Packaging (Android (ATC)): BUILD FAILED

解决方法