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# MERN Stack Repo Deployment

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Byteda (@byteda) · 2024-08-21

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I always get a 404 Error Not Found when deploying my Github repo, what's wrong? I followed all steps:
1. Check the deployment URL: Ensure that the deployment URL you are using is correct and does not contain any typos or incorrect paths.
2. Check deployment existence: Verify that the deployment exists and has not been deleted. You can do this by checking your project dashboard on Vercel.
3. Review deployment logs: If the deployment exists, review the deployment logs to identify any issues that might have caused the deployment to be unavailable.
4. Verify permissions: Ensure you have the necessary permissions to access the deployment.
This still does not work. Appreciate help!


Pauline P. Narvas (@pawlean) · 2024-08-21

Hi, @byteda!

Did you follow the steps in our community post, https://community.vercel.com/t/debugging-404-errors/437? I'm just making sure in case you followed something else? :smile: 

If so, could you perhaps share your repo with us to take a look and investigate?


Pauline P. Narvas (@pawlean) · 2024-08-21

I'll also share a community post that might be helpful: https://dev.to/matrix24483/setting-up-a-full-stack-mern-mongodb-express-react-nodejs-app-for-deployment-on-vercel-2mpp