[pinia-plugin-persistedstate] Error: [nuxt] instance unavailable

[PatrickBauer]

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Describe the bug

Dear maintainer,
I know this is not a well described bug report - but the reason is that we have no idea what's actually happening.

We're using Nuxt in conjunction with pinia-plugin-persistedstate and we encounter the problem, that randomly, out of many thousands of user requests, sometimes a users cookie does not seem to get loaded, which lets the store hydration step fail and resets the store to its initial state (which in our case means a sale fails to go through).

When enabling the debug flag for pinia-plugin-persistedstate, we randomly get the mentioned [pinia-plugin-persistedstate] Error: [nuxt] instance unavailable error message in our server-side error logs. We're already using the experimental asyncContext feature of Nuxt.

Any idea how we could further debug this?
Any pointer is much appreciated 🙏

Reproduction

We're not able to reproduce this, as this happens randomly

System Info

Docker ubuntu:22.04
Node 20.15.1

Used Package Manager

npm

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