error when attempting to Change the ios app identify. I’ve adopted completely different examples however its not working- react-native

I would like to vary my apps identify. I’ve adopted just a few completely different options however i get an error.

I modified the identify within the data.plist after which i did a yarn and that i did a pod set up within the ios folder. I additionally deleted the app from my simulator after which constructed it once more however I’m nonetheless getting the next error:

Invariant Violation: “[old app name]” has not been registered. This may occur if:

• Metro (the native dev server) is run from the improper folder. Verify if Metro is operating, cease it and restart it within the present venture.
• A module did not load because of an error and AppRegistry.registerComponent wasn’t referred to as.

Can anybody assist??