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Next.js could not load next.config.js

`next.config.js` Loading Error

Next.js failed while loading next.config.js or next.config.mjs, usually because of a syntax problem or an import that is not available in the current Node.js environment.

next.config.js Loading Errorconfiguration

Observed message

`next.config.js` Loading Error

Why it happens

  • The config file contains a syntax error.
  • The config imports or requires a module that is not installed or cannot be resolved.
  • The config uses JavaScript features that are not supported by the active Node.js version.

How to fix it

  1. Read the terminal output from next dev or next build to identify the exact file and failing line.
  2. Remove or correct any unsupported require or import statements in the config file.
  3. Make sure the config only uses syntax supported by the Node.js version running Next.js.

Official reference

Next.js Docs: `next.config.js` Loading Error

Related errors

Invalid next.config.jsNext.js configuration contains invalid optionsInvalid i18n configNext.js invalid i18n configurationInvalid images configNext.js invalid images configurationInvalid Layout or Page ExportNext.js invalid layout or page export

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Next.js next.config.js Loading Error: causes and fixes | Error Atlas