middlewareHandler is not a function

I had to stop using nodejs as middleware because of this error. It seem random and untracable as it only happens in vercel cloud platform

middlewareHandler is not a function

now this error randomly appeared in production branch after last deployment. It now block release version of the website Project ID `prj_uLlosTk50TCeFeq8nlxbCBAJnDeK`

middlewareHandler is not a function

I dont think I can make an example. I merged my branch to main and now problem is gone. Not sure what it was by it is related to how vercel treat barnch deploymnets

middlewareHandler is not a function

I had in package.json exact version that currently works fine in production deployment. I updated version in preview branch to `canary` now, error is still there.

middlewareHandler is not a function

Hey! Im not sure what details are needed for this issue. Here is error that is displayed instead of my preview website on the routes, that are triggering middleware ```sh 500:...

middlewareHandler is not a function

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middlewareHandler is not a function