Error message:

The error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup. Run CLI with -- verbose flag for more details.
Error: the Command failed: gradlew. Bat app: installDebug - PreactNativeDevServerPort=8081

The error Command failed with exit code 1.
The info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.


Constantly appear this error, but partition can run normally, time is up,

Completely don't know what's wrong, also do not check the basic information, online

The react - native the environment configuration zha so difficult? The room all day, still don't understand,