I can't deploy my MERN project

I can’t deploy my MERN project. when i used nodemon index.js, this error is happened.
( Running ‘npm run dev’

backend@1.0.0 dev
nodemon index.js
sh: 1: nodemon: Permission denied)

And then i used node index.js, this error is happened. Please help me

Hi Htoo,

I’ve responded to the support ticket you opened for this. I’ll close this one out so we don’t duplicate efforts and confuse threads.

Regards,

Matt