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Build error next.js 6.0.0

Fresh3 days ago
Mar 14, 20260 views
Confidence Score79%
79%

Problem

I just upgraded to `next@6.0.0`, I use a custom server, when I try to `run dev`, I get an error. [code block] > UPDATE all this passed after upgrading all babel packages to v7 Now this is the new error.... See below for complete error message [code block]

Error Output

Error: Plugin 0 specified in "/Users/foo/gitlab/next-project/backend/node_modules/next/babel.js" provided an invalid property of "default" (While processing preset: "/Users/foo/gitlab/next-project/backend/no

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix Babel Configuration for Next.js 6.0.0 Upgrade

Medium Risk

The error occurs because the Babel configuration in Next.js 6.0.0 is incompatible with the upgraded Babel packages (v7). The plugin specified in the Babel configuration is not correctly set up, leading to the invalid property error. This is often due to outdated or incorrectly configured Babel presets or plugins.

Awaiting Verification

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  1. 1

    Update Babel Presets

    Ensure that your Babel presets are updated to be compatible with Babel v7. You may need to install the new presets and plugins.

    bash
    npm install --save-dev @babel/preset-env @babel/preset-react
  2. 2

    Update Babel Configuration File

    Modify your Babel configuration file (e.g., .babelrc or babel.config.js) to use the new presets. Ensure that you are not using any deprecated properties.

    json
    {
  "presets": [
    "@babel/preset-env",
    "@babel/preset-react"
  ]
}
  3. 3

    Check for Deprecated Plugins

    Review your Babel plugins to ensure none are deprecated or incompatible with Babel v7. Remove or replace any that are causing issues.

    bash
    npm uninstall babel-plugin-some-deprecated-plugin
  4. 4

    Clear Cache and Rebuild

    Clear any existing build cache and rebuild the project to ensure all changes are applied correctly. This can help resolve lingering issues from previous configurations.

    bash
    npm run clean && npm run dev

Validation

To confirm the fix worked, run 'npm run dev' and ensure that the application starts without any errors. Additionally, check the console for any warnings related to Babel or Next.js.

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Environment

Submitted by

AC

Alex Chen

2450 rep

Tags

nextjsreactssr