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- There might be a problem with the project dependency tree.
- It is likely not a bug in Create React App,
- but something you need to fix locally.
- The react-scripts package provided by Create React App requires a dependency:
- "babel-loader": "8.0.4"
- Don't try to install it manually: your package manager does it automatically.
- However, a different version of babel-loader was detected higher up in the tree:
- C:UsersOlganode_modulesbabel-loader (version: 8.0.2)
- Manually installing incompatible versions is known to cause hard-to-debug issues.
- If prefer to ignore this check, add SKIP_PREFLIGHT_CHECK=true to an .env file in your project.
- That will permanently disable this message but you might encounter other issues.
- To fix the dependency tree, try following the steps below in the exact order:
- 1. Delete package-lock.json (not package.json!) and/or yarn.lock in your project folder.
- 2. Delete node_modules in your project folder.
- 3. Remove "babel-loader" from dependencies and/or devDependencies in the package.json
- file in your project folder.
- 4. Run npm install or yarn, depending on the package manager you use.
- In most cases, this should be enough to fix
- the problem.
- If this has not helped, there are a few other things you can try:
- 5. If you used npm, install yarn (http://yarnpkg.com/) and repeat the above steps with it instead.
- This may help because npm has known issues with package hoisting which may get resolved in future versions.
- 6. Check if C:UsersUsernode_modulesbabel-loader is outside your project directory.
- For example, you might have accidentally installed something in your home folder.
- 7. Try running npm ls babel-loader in your project folder.
- This will tell you which other package
- (apart from the expected react-scripts) installed babel-loader.
- If nothing else helps, add SKIP_PREFLIGHT_CHECK=true to an .env file in your project.
- That would permanently disable this preflight check in case you want to proceed anyway.
- P.S. We know this message is long but please read the steps above :-) We hope you find them helpful!
- npm ERR! code ELIFECYCLE
- npm ERR! errno 1
- npm ERR! reg@0.1.0 start: `react-scripts start`
- npm ERR! Exit status 1
- npm ERR!
- npm ERR! Failed at the reg@0.1.0 start script.
- npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
- npm ERR! A complete log of this run can be found in:
- npm ERR! C:UsersUserAppDataRoamingnpm-cache_logs2018-12-13T18_22_47_802Z-debug.log
- +-- create-react-app@2.1.1
- +-- node-gyp@3.6.2
- +-- npm@6.5.0
- +-- yarn@1.12.3
- {
- "name": "reg",
- "version": "0.1.0",
- "private": true,
- "dependencies": {
- "react": "^16.6.3",
- "react-dom": "^16.6.3",
- "react-scripts": "2.1.1"
- },
- "scripts": {
- "start": "react-scripts start",
- "build": "react-scripts build",
- "test": "react-scripts test",
- "eject": "react-scripts eject"
- },
- "eslintConfig": {
- "extends": "react-app"
- },
- "browserslist": [
- ">0.2%",
- "not dead",
- "not ie <= 11",
- "not op_mini all"
- ]
- }
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