title: Flutter fatal error: 'Flutter/Flutter.h' file not found
body: <p>I am unable to build flutter project for iOS , gives me error as follows</p>
  <pre><code>Xcode's output:
  ↳
      In file included from /Users/sulfy/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.5/ios/Classes/FLTPathProviderPlugin.m:5:
      /Users/sulfy/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider-2.0.5/ios/Classes/FLTPathProviderPlugin.h:5:9: fatal error: 'Flutter/Flutter.h' file not found
      #import &lt;Flutter/Flutter.h&gt;
              ^~~~~~~~~~~~~~~~~~~
      1 error generated.
      note: Using new build system
      note: Planning
      note: Build preparation complete
      note: Building targets in parallel
  </code></pre>
  <p>tried</p>
  <ol>
  <li>pod deintegrate</li>
  <li>rm ios/Flutter/Flutter.podspec</li>
  <li>flutter clean</li>
  <li>flutter pub get</li>
  <li>pod install</li>
  <li>Clean derive data</li>
  <li>flutter run</li>
  </ol>
  <p>and still same, I am unable to get rid of this error.
  I even tried removing path provider plugin from pubsec.yaml</p>
  <p>Any help will be high appreciated as I'm stuck on this over 24 hours</p>