A problem occurred configuring project ':native'.

> Configure project :native
NDK is missing a "platforms" directory.
If you are using NDK, verify the ndk.dir is set to a valid NDK directory. It is currently set to /Users/ctyeung/Library/Android/sdk/ndk-bundle.
If you are not using NDK, unset the NDK variable from ANDROID_NDK_HOME or local.properties to remove this warning.

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring project ':native'.
> java.lang.NullPointerException (no error message)

Start by checking the :native project configuration and the NDK path reported in local.properties or ANDROID_NDK_HOME. Verify whether the configured NDK contains the required platforms directory, then confirm the project configures without the NullPointerException.

Written by the indexing model from the issue text.