Cannot find module '../../mock'

This error message usually indicates that the module '../../mock' cannot be found or does not exist in the specified location.

To resolve this error, you can try the following steps:

1. Check the file path: Make sure that the path to the '../../mock' module is correct and matches the actual location of the file. Sometimes, a typo or incorrect path can cause this error.

2. Install missing dependencies: If the module is a third-party library or package, make sure that it is installed and included in the project dependencies. You can try running 'npm install' or 'yarn install' to install the missing dependencies.

3. Check the import statement: Make sure that the import statement for the '../../mock' module is correct and matches the actual file name and location. Sometimes, a wrong import statement can cause this error.

4. Restart the development server: Sometimes, restarting the development server can help resolve this error. You can try stopping the server and then running 'npm start' or 'yarn start' again.

5. Use an absolute path: Instead of using a relative path, you can try using an absolute path to the '../../mock' module. This can help resolve any issues with the file path.