44d1a1cb15
This PR is part of a larger effort to migrate error messages to MDX and use App Router: https://github.com/vercel/front/pull/23459
11 lines
487 B
Text
11 lines
487 B
Text
---
|
|
title: 'The key "<your key>" under "env" in `next.config.js` is not allowed.'
|
|
---
|
|
|
|
## Why This Error Occurred
|
|
|
|
Next.js configures internal variables for replacement itself. `NEXT_RUNTIME` along with variables starting with `__` or `NODE_` are currently internal, for this reason they are not allowed as values for `env` in `next.config.js`
|
|
|
|
## Possible Ways to Fix It
|
|
|
|
Rename the specified key so that it does not start with `__` or `NODE_`, or pick another name for `NEXT_RUNTIME`.
|