vercel/next.js · error · ExportError

Found pages with `fallback` enabled: ${[...fallbackEnabledPa

Error message

Found pages with `fallback` enabled:
${[...fallbackEnabledPages].join('\n')}
Pages with `fallback` enabled in `getStaticPaths` can not be exported. See more info here: https://nextjs.org/docs/messages/ssg-fallback-true-export

What it means

Error "Found pages with `fallback` enabled: ${[...fallbackEnabledPages].join('\n')} Pages with `fallback` enabled in `getStaticPaths` can not be exported. See more info here: https://nextjs.org/docs/messages/ssg-fallback-true-export " thrown in vercel/next.js.

Source

Thrown at packages/next/src/export/index.ts:622

    allExportPaths.push({ ...entry, path: normalizedPath })

    if (prerenderManifest && !options.buildExport) {
      const prerenderInfo = prerenderManifest.dynamicRoutes[entry.page]

      if (prerenderInfo && prerenderInfo.fallback !== false) {
        fallbackEnabledPages.add(entry.page)
      }
    }
  }

  if (allExportPaths.length === 0) {
    if (!prerenderManifest) {
      return null
    }
  }

  if (fallbackEnabledPages.size > 0) {
    throw new ExportError(
      `Found pages with \`fallback\` enabled:\n${[...fallbackEnabledPages].join(
        '\n'
      )}\n${SSG_FALLBACK_EXPORT_ERROR}\n`
    )
  }

  let hasMiddleware = false

  if (!options.buildExport) {
    try {
      const middlewareManifest = require(
        join(distDir, SERVER_DIRECTORY, MIDDLEWARE_MANIFEST)
      ) as MiddlewareManifest

      const functionsConfigManifest = require(
        join(distDir, SERVER_DIRECTORY, FUNCTIONS_CONFIG_MANIFEST)
      )

View on GitHub (pinned to 258b1c1bc0)

Solutions

1. Remove fallback: true from getStaticPaths for the listed pages, or drop output: export.

When it happens

Trigger: next export is run while pages use getStaticPaths with fallback enabled.

Common situations: Using fallback: true or blocking in getStaticPaths together with output: export.

AI-assisted analysis of vercel/next.js@258b1c1bc0 (2026-08-19). Data as JSON: /api/errors/763e85a636e1c863. Report an issue: GitHub.