KHi @Mustlane. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:
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The error "Cannot find name 'defineAppConfig'" in your
How to fix:
This solution is confirmed by both the Nuxt 4 documentation and a related GitHub issue where the problem was resolved by moving the file to the correct directory.
If you continue to see the error after moving the file, make sure you are using a compatible version of Nuxt 4 and that your editor has restarted or reloaded the TypeScript server.
Let me know if you need more help!
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Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
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The error "Cannot find name 'defineAppConfig'" in your
app.config.ts is most likely due to the file being in the wrong location. In Nuxt 4, the app.config.ts file must be placed inside the app/ directory at the root of your project, not directly in the root itself. This is a change from Nuxt 3, and it's a common source of confusion when upgrading or starting with Nuxt 4.How to fix:
- Create an
app/directory at the root of your project if it doesn't exist. - Move your
app.config.tsfile into theapp/directory, so the path is:
defineAppConfig helper should be recognized automatically, and the error should disappear.This solution is confirmed by both the Nuxt 4 documentation and a related GitHub issue where the problem was resolved by moving the file to the correct directory.
If you continue to see the error after moving the file, make sure you are using a compatible version of Nuxt 4 and that your editor has restarted or reloaded the TypeScript server.
Let me know if you need more help!
----------------------
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
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MHoly s*it
MIt works!
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