Any: “process.env / import.meta.env variable is undefined”

What it means

The variable is missing, misnamed, or not exposed to the browser (needs NEXT_PUBLIC_ or VITE_ prefix).

How to fix it

Check the exact name, add the required prefix for client code, and restart the server.

Paste this into your AI tool

Stop retrying previous fixes. I'm getting this error: "process.env / import.meta.env variable is undefined". Likely cause: The variable is missing, misnamed, or not exposed to the browser (needs NEXT_PUBLIC_ or VITE_ prefix). Before editing, show me the relevant files and confirm the root cause. Then: Check the exact name, add the required prefix for client code, and restart the server. Change only what's necessary, don't delete working code, don't add new libraries unless required, and tell me exactly what you changed and how to verify it.