How to solve "config.h file not found"? when running app from the react native on the device?

Getting error "Config.h file not found, lexical or preprocessor error."

I am running app in the device from the xcode project.

I have google and found many solutions but haven't worked, I tried this

https://github.com/facebook/react-native/issues/14382

And when I try to run in the iOS simulator getting this error

https://github.com/facebook/react-native/issues/10401

Tried to follow the above url but didn't work.

Please let me know how to solve the issue.Thanks