title: React Native Task :app:validateSigningDebug FAILED
body: <p>I am completely new to react-native and android. I have downloaded a project from Github and used commands <code>yarn install</code> and <code>react-native run-android</code> to run the project. but getting this error. Can't seem to understand the reason. What should I do?</p>
  
  <pre><code>info Starting JS server...
  info Installing the app...
  &gt; Task :app:validateSigningDebug FAILED
  
  Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
  Use '--warning-mode all' to show the individual deprecation warnings.
  See https://docs.gradle.org/5.4.1/userguide/command_line_interface.html#sec:command_line_warnings
  17 actionable tasks: 17 executed
  
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:validateSigningDebug'.
  &gt; Keystore file '/home/tawsif/react native/react-native-redux/android/app/debug.keystore' not found for signing config 'debug'.
  
  * 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 4s
  </code></pre>