ERROR TypeError: Super expression must either be null or a function ERROR Invariant Violation: "main" has not been registered. This can happen if: Metro (the local dev server) is run from the wrong folder. Check if Metro is running, stop it and restart it in the current project. A module failed to load due to an error and AppRegistry.registerComponent wasn't called. enter image description here

I study at the rate https://www.youtube.com/watch?v=6SvP_fUttHk&t=3182s rewrote the code and error

ERROR TypeError: Super expression must either be null or a function ERROR Invariant Violation: "main" has not been registered. This can happen if:

Metro (the local dev server) is run from the wrong folder. Check if Metro is running, stop it and restart it in the current project.
A module failed to load due to an error and AppRegistry.registerComponent wasn't called. enter image description here