title: Build failed with an exception when running app
body: <p><strong>When running my app I get this error in console</strong> and cannot run the application
  The app used to be working properly and suddenly it did that what is the problem?
  I don't understand the issue
  This is the error from console after pressing run application</p>
  
  <p>Build failed with an exception when running app</p>
  
  <pre><code>Launching lib\main.dart on Android SDK built for x86 in debug mode...
  Initializing gradle...
  Resolving dependencies...
  Gradle task 'assembleDebug'...
  
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:processDebugResources'.
  &gt; Android resource linking failed
    Output:  E:\Projects\Flutter\labyeeh_store\build\app\intermediates\incremental\mergeDebugResources\merged.dir\values\values.xml:137: error: resource android:attr/fontVariationSettings not found.
    E:\Projects\Flutter\labyeeh_store\build\app\intermediates\incremental\mergeDebugResources\merged.dir\values\values.xml:137: error: resource android:attr/ttcIndex not found.
    error: failed linking references.
  
    Command: C:\Users\Paymac\.gradle\caches\transforms-1\files-1.1\aapt2-3.2.1-4818971-windows.jar\c7b9bfbf0a2c12e55a72f45c789022ac\aapt2-3.2.1-4818971-windows\aapt2.exe link -I\
            C:\Users\Paymac\AppData\Local\Android\sdk\platforms\android-27\android.jar\
            --manifest\
            E:\Projects\Flutter\labyeeh_store\build\app\intermediates\merged_manifests\debug\processDebugManifest\merged\AndroidManifest.xml\
            -o\
            E:\Projects\Flutter\labyeeh_store\build\app\intermediates\processed_res\debug\processDebugResources\out\resources-debug.ap_\
            -R\
            @E:\Projects\Flutter\labyeeh_store\build\app\intermediates\incremental\processDebugResources\resources-list-for-resources-debug.ap_.txt\
            --auto-add-overlay\
            --java\
            E:\Projects\Flutter\labyeeh_store\build\app\generated\not_namespaced_r_class_sources\debug\processDebugResources\r\
            --custom-package\
            com.labyeeh.labyeehstore\
            -0\
            apk\
            --output-text-symbols\
            E:\Projects\Flutter\labyeeh_store\build\app\intermediates\symbols\debug\R.txt\
            --no-version-vectors
    Daemon:  AAPT2 aapt2-3.2.1-4818971-windows Daemon #0
    Output:  C:\Users\Paymac\.gradle\caches\transforms-1\files-1.1\core-1.0.0-rc01.aar\cb81f74487d3747960ee323a92375a57\res\values\values.xml:89:5-125:25: AAPT: error: resource android:attr/fontVariationSettings not found.
  
    C:\Users\Paymac\.gradle\caches\transforms-1\files-1.1\core-1.0.0-rc01.aar\cb81f74487d3747960ee323a92375a57\res\values\values.xml:89:5-125:25: AAPT: error: resource android:attr/ttcIndex not found.
  
    error: failed linking references.
    Command: C:\Users\Paymac\.gradle\caches\transforms-1\files-1.1\aapt2-3.2.1-4818971-windows.jar\c7b9bfbf0a2c12e55a72f45c789022ac\aapt2-3.2.1-4818971-windows\aapt2.exe link -I\
            C:\Users\Paymac\AppData\Local\Android\sdk\platforms\android-27\android.jar\
            --manifest\
            E:\Projects\Flutter\labyeeh_store\build\app\intermediates\merged_manifests\debug\processDebugManifest\merged\AndroidManifest.xml\
            -o\
            E:\Projects\Flutter\labyeeh_store\build\app\intermediates\processed_res\debug\processDebugResources\out\resources-debug.ap_\
            -R\
            @E:\Projects\Flutter\labyeeh_store\build\app\intermediates\incremental\processDebugResources\resources-list-for-resources-debug.ap_.txt\
            --auto-add-overlay\
            --java\
            E:\Projects\Flutter\labyeeh_store\build\app\generated\not_namespaced_r_class_sources\debug\processDebugResources\r\
            --custom-package\
            com.labyeeh.labyeehstore\
            -0\
            apk\
            --output-text-symbols\
            E:\Projects\Flutter\labyeeh_store\build\app\intermediates\symbols\debug\R.txt\
            --no-version-vectors
    Daemon:  AAPT2 aapt2-3.2.1-4818971-windows Daemon #0
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
  
  * Get more help at https://help.gradle.org
  
  BUILD FAILED in 3s
  Finished with error: Gradle task assembleDebug failed with exit code 1
  </code></pre>