# `check.unclassified`: A problem without a specific code

A build check error in the area "Other problems". An error: the game cannot be published until it is fixed.

The build check runs on every game LobbyLab builds, and each problem it finds has a stable code, the exact message, the file and line when it names one, and a link to this page.

## What the check looks at

A problem the check reported without a more specific code.

## How to fix it

Read the message: it says what failed. Fix that and run the check again.

See also: [every error code](/docs/errors), [the API reference](/docs/api) and [the docs](/docs).