"Flutter run" on the example project fails with the following error

[deltamish]

FAILURE: Build failed with an exception.

• What went wrong:
  Could not determine the dependencies of task ':app:processDebugResources'.

Could not resolve all task dependencies for configuration ':app:debugRuntimeClasspath'.
Could not resolve androidx.window:window:[1.0.0-beta04].
Required by:
project :app > project :flutter_plugin_android_lifecycle > io.flutter:flutter_embedding_debug:1.0.0-e85ea0e79c6d894c120cda4ee8ee10fe6745e187 > androidx.window:window-java:1.0.0-beta04
> Failed to list versions for androidx.window:window.
> Unable to load Maven meta-data from https://google.bintray.com/exoplayer/androidx/window/window/maven-metadata.xml.
> Could not get resource 'https://google.bintray.com/exoplayer/androidx/window/window/maven-metadata.xml'.
> Could not GET 'https://google.bintray.com/exoplayer/androidx/window/window/maven-metadata.xml'. Received status code 502 from server: Bad Gateway

• 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

Any idea how to fix this ?

This is my first time using flutter.
Any help is greatly appreciated.