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All time, since Sep 2.

Prefetch crashes shallow navigation

“TypeError: Cannot destructure property 'title' of 'n' as it is undefined.”

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I hit this bug: rapsheet.dev/sheets/next-js/issues/4305/file
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Shallow navigation crashes after prefetch stores __appRouter marker. In Pages Router, prefetch() checks the client router filter against as but stores the marker under the href pathname, crashing _app.

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Where
Pages Router
Error text
TypeError: Cannot destructure property 'title' of 'n' as it is undefined.
Versions
16.4.0-canary.13
Platforms
macOS
How bad
Stops work: a core feature can't be used.

Not quite your bug?

  1. Hash links concatenate fragments4 people
  2. router.refresh() triggers full document reload with parallel route modals2 people
  3. router.refresh() never updates streamed pages in production builds1 person

Original reports2, newest first

  1. Pages Router: shallow getRouteInfo() returns the __appRouter prefetch marker as route info and crashes _appOn GitHub#98181
  2. Pages Router: prefetch() checks the client router filter against as but stores the __appRouter marker under the href pathnameOn GitHub#98180

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