Solving the Dynamic Routes Error in Vercel after Nextjs Update: A Step-by-Step Guide

If you’ve recently updated to the latest version of Nextjs and are experiencing a frustrating error with dynamic routes on Vercel, you’re not alone! The error message “Cannot find module ‘next/dist/server/future/route-modules/pages/vendored/contexts/amp-context'” can be daunting, but fear not, dear developer, for we’ve got you covered. In this article, we’ll dive into the reasons behind this error, and provide a clear, step-by-step guide on how to resolve it.

The Error: A Brief Explanation

The error message “Cannot find module ‘next/dist/server/future/route-modules/pages/vendored/contexts/amp-context'” typically occurs when Vercel’s build process fails to correctly resolve dynamic routes in your Nextjs application. This error is often a result of changes to the `next` module’s internal structure, which can cause compatibility issues with Vercel’s build process.

Causes of the Error

• Recent updates to Nextjs (version 12 or later)
• Incompatible versions of dependencies (e.g., `next` and `@vercel/next`)
• Incorrectly configured `next.config.js` file

Step-by-Step Solution

To resolve the dynamic routes error, follow these steps carefully:

Step 1: Verify Your Nextjs Version

First, ensure you’re running the latest version of Nextjs. You can check your version by running the following command in your terminal:

npm ls next

If you’re not on the latest version, update Nextjs using:

npm install next@latest

Step 2: Update Your `next.config.js` File

In your `next.config.js` file, add the following configuration:

module.exports = {
  //... other configurations ...
  future: {
    webpack5: true,
  },
  experimental: {
    routeModules: true,
  },
};

This configuration tells Nextjs to use the `webpack5` compiler and enables route modules, which are necessary for dynamic routes to work correctly.

Step 3: Configure Your `vercel.json` File

In your `vercel.json` file, add the following configuration:

{
  "version": 2,
  "builds": [
    {
      "src": "*.js",
      "use": "@vercel/next",
      "config": {
        "debug": true,
        "experimental": {
          "routeModules": true
        }
      }
    }
  ]
}

This configuration tells Vercel to use the `@vercel/next` builder and enables route modules for your Nextjs application.

Step 4: Verify Your Dynamic Routes

Make sure your dynamic routes are correctly configured in your ` pages` directory. For example, if you have a dynamic route `pages/[slug].js`, ensure that the file exports a function that returns a valid React component:

import Layout from '../components/Layout';

const SlugPage = ({ slug }) => {
  return (
    
      
    
  );
};

export default SlugPage;

Step 5: Redeploy Your Application

Redeploy your Nextjs application to Vercel using the following command:

vercel deploy --prod

This will rebuild and redeploy your application with the updated configurations.

Troubleshooting Tips

If you’re still experiencing issues with dynamic routes, try the following:

• Check your `next.config.js` file for any typos or incorrect configurations.
• Verify that your `vercel.json` file is correctly formatted and configured.
• Ensure that your dynamic routes are correctly exported and configured in your `pages` directory.
• Try deleting the `.next` folder and running `npm run build` again to rebuild your application.

Conclusion

Solving the dynamic routes error in Vercel after a Nextjs update can be a challenging task, but by following these steps, you should be able to resolve the issue and get your application up and running smoothly. Remember to keep your dependencies up-to-date, and don’t hesitate to seek help if you’re stuck. Happy coding!

Common Errors	Solutions
Error: “Cannot find module ‘next/dist/server/future/route-modules/pages/vendored/contexts/amp-context'”	Update `next.config.js` and `vercel.json` files, and redeploy application
Error: “Route modules not found”	Verify that `experimental.routeModules` is enabled in `next.config.js` and `vercel.json` files
Error: “Cannot find module ‘next/dist/server/future/route-modules/pages/[slug].js'”	Verify that dynamic route files are correctly exported and configured in `pages` directory

By following these steps and troubleshooting tips, you should be able to resolve the dynamic routes error and get your Nextjs application up and running smoothly on Vercel.

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