ConcurrentFeature not working with dynamic routing

[Alexandredc]

What version of Next.js are you using?

12.0.4-canary.0

What version of Node.js are you using?

16.4.2

What browser are you using?

Chrome

What operating system are you using?

MacOS

How are you deploying your application?

next dev

Describe the Bug

Dynamic routing is not working when concurrentFeatures and serverComponents flag are enabled.

Error : Could not find files for /account/test in .next/build-manifest.json

Expected Behavior

Dynamic routing should work when concurrent mode is enabled.

To Reproduce

Here is a Codesandbox that reproduce the issue :
https://codesandbox.io/s/keen-khayyam-e14cz

Navigate to /account/test

[AHBruns]

Experiencing the same issue. What's odd is that is seems the dynamic route is actually being treated as a static route. For instance, I have the following:

and going to /book/abc gives:

but going to /book/[id] loads the page.

[huozhi]

It's fixed in next.js 12.1.0 now! Please checkout the doc for migration.

[github-actions]

This closed issue has been automatically locked because it had no new activity for a month. If you are running into a similar issue, please create a new issue with the steps to reproduce. Thank you.