Site deployed failed

Please help out, i am a total newbie at deploying react apps, so I dont know what I am doing wrong. Would really appreciate.
I need advice to debug deploy Netlify App

A useful discussion here for you, @Fola, with a link to our debugging guide if you’re struggling:

https://answers.netlify.com/t/error-running-command-build-script-returned-non-zero-exit-code-127/1851/2