error: bundling failed: Error: While trying to resolve module `react` from file `/Users/myname/Desktop/Projects/ProjectName/App.js`, the package `/Users/myname/Desktop/Projects/ProjectName/node_modules/react/package.json` was successfully found. However, this package itself specifies a `main` module field that could not be resolved (`/Users/myname/Desktop/Projects/ProjectName/node_modules/react/index.js`. Indeed, none of these files exist: