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fix(nextjs): improve auth() error message to mention infrastructure failures #8007

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fix(nextjs): improve auth() error message to mention infrastructure failures #8007

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f63c2db
fix(nextjs): improve auth() error message to mention infrastructure f…
jacekradko Mar 6, 2026
4730b3a
Merge branch 'main' into jacek/improve-auth-middleware-error-message
jacekradko Mar 9, 2026
d16df7d
fix(nextjs): separate infrastructure failure note from checklist in a…
jacekradko Mar 9, 2026
0920cf9
Update packages/nextjs/src/server/errors.ts
jacekradko Mar 9, 2026
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5 changes: 5 additions & 0 deletions .changeset/improve-auth-middleware-error-message.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@clerk/nextjs": patch
---

Improved `auth()` error message when `clerkMiddleware()` is not detected to mention that infrastructure issues (e.g. edge runtime errors or platform outages) can also cause this error.
2 changes: 2 additions & 0 deletions packages/nextjs/src/server/errors.ts
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Expand Up @@ -28,6 +28,8 @@ export const authAuthHeaderMissing = (helperName = 'auth', prefixSteps?: string[
- Your ${fileReference} matcher is configured to match this route or page.
- If you are using the src directory, make sure the ${fileReference} file is inside of it.

If you've verified your configuration and are still seeing this error, there may be a runtime issue or a problem communicating with Clerk.

For more details, see https://clerk.com/err/auth-middleware
`;
};
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