A Multiplayer API error, sent with HTTP 403. Status: the Multiplayer API is in private alpha; this code is part of its published contract.
When
The host locked the room: it takes no new members. Seated members can still reconnect.
What to do
Join another room, or ask the host to unlock it.
The answer
Every error is a JSON body with a stable error code. Clients act on the codes they know and treat any other code as a failure of its HTTP status, and keep fields they do not know.
{
"error": "room_locked",
"detail": "A sentence that is safe to show.",
"next": "Join another room, or ask the host to unlock it.",
"docsUrl": "https://lobbylab.gg/docs/errors/room_locked"
}See also: every error code, the API reference and the docs.