I follow this guy's tutorial
<https://youtu.be/MJEcookWYUI?t=686>

I get errors after the command on the video

```
admin@MacBook-Air:~/Demo$ npm run ios
npm ERR! missing script: ios   
npm  ERR! A complete log of this run can be found in:
npm ERR!     /Users/admin/.npm/_logs/2022-09-12T22_06_04_217Z-debug.log

```

I searched many websites , tried to do everything i saw but i nothing worked.

**Please help**