title: flutter: parameter format not correct
body: <p>I am new to Flutter and today I've been stuck to one problem. I cannot debug my app because it says parameter format not correct</p>
  <pre><code>Parameter format not correct -
  
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:packageDebug'.
  &gt; Several variant outputs are configured to use the same file name &quot;resources-debug.ap_&quot;, filters : MAIN:MAIN
  </code></pre>
  <p>Here's my flutter doctor</p>
  <pre><code>Doctor summary (to see all details, run flutter doctor -v):
  [√] Flutter (Channel stable, v1.17.5, on Microsoft Windows [Version 10.0.18362.900], locale en-US)
   
  [!] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
      ! Some Android licenses not accepted.  To resolve this, run: flutter doctor --android-licenses
  [!] Android Studio (version 3.4)
      X Flutter plugin not installed; this adds Flutter specific functionality.
      X Dart plugin not installed; this adds Dart specific functionality.
  [√] VS Code (version 1.46.1)
  [!] Connected device
      ! No devices available
  
  ! Doctor found issues in 3 categories.
  </code></pre>
  <p>I've looked for answers everywhere and they didn't work for my case. Most of the solutions are suggesting to change environment path. This is my path: C:\src\flutter\bin
  note: I'm using VSCode</p>
  <p>Please help.. thank you!</p>