ios – Invariant Violation has not been registered. This could occur if: * Metro (the native dev server)

In Reactnative CLI ios getting
ERROR TypeError: Can not learn property ‘type’ of undefined, js engine: hermes LOG Working “xxx” with {“rootTag”:1,”initialProps”:{“concurrentRoot”:false}}

ERROR Invariant Violation: “xxx” has not been registered. This could occur if:

• Metro (the native dev server) is run from the incorrect folder. Test if Metro is operating, cease it and restart it within the present challenge.
• A module didn’t load on account of an error and AppRegistry.registerComponent wasn’t referred to as., js engine: hermes

can anybody assist me i get this error whereas operating ios app in ReactNative