error executing command 'react-native run-ios --simulator iPhone X --no-packager'

I have 2 clones of my Github project to my local machine and my online DropBox. On my local machine I get this error after "Loading depenency graph done" line:

Error executing command: 'react-native run-ios --simulator iPhone X --no-packager'.

But app runs as expected from my Dropbox clone. To make sure it is not anything weird on my laptop, I made a similar clone on my office iMac desktop and getting the same error. What am I doing wrong? Is this have t do with local clone on machine?

Please help as I want to transition to working with a clone on a local machine rather than a cloud storage bcos of connectivity issues.

Thanks