# X_APP_PACKAGE_INVALID

## Means

the app's `package.json` has no usable `name`/`version` — the manifest never fabricates `app@0.0.0`, because its version is the compatibility gate

## Typical cause

a malformed or hand-trimmed `package.json`

## Fix

`bun pm pkg set name=<app> version=0.1.0`

[CLI and verify](/error-codes#cli-and-verify)