Error watching file for changes: EMFILE

An error was reported during compilation when running the ReactNative project
Error watching file for changes: EMFILE

Fault cause:
Watchman is no longer available after upgrading. You need to reinstall watchman.
The first solution is to open the terminal and type the following commands in turn:
1. Uninstall the original installed Watchman:

brew uninstall --force watchman

2. Delete the original installation file: rm – rf/usr/local/var/run/watchman /
3. Reinstall watchman:
brew install watchman

brew install watchman

If the BREW command is prompted to report an error, please reinstall BREW, for specific reference
ReactNative environment configuration

Reproduced in:

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