chroma-core/chroma · error · ValueError

User missing tokens

Error message

User missing tokens

What it means

Error "User missing tokens" thrown in chroma-core/chroma.

Source

Thrown at chromadb/auth/token_authn/__init__.py:172

        self._token_user_mapping: Dict[str, User] = {}
        creds = self.read_creds_or_creds_file()

        # If we only get one cred, assume it's just a valid token.
        if len(creds) == 1:
            self._token_user_mapping[creds[0]] = User(
                id="anonymous",
                tenant="*",
                databases=["*"],
                role="anonymous",
                tokens=[creds[0]],
            )
            return

        self._users = cast(List[User], yaml.safe_load("\n".join(creds))["users"])
        for user in self._users:
            if "tokens" not in user:
                raise ValueError("User missing tokens")
            if "tenant" not in user:
                user["tenant"] = "*"
            if "databases" not in user:
                user["databases"] = ["*"]
            for token in user["tokens"]:
                _check_token(token)
                if (
                    token in self._token_user_mapping
                    and self._token_user_mapping[token] != user
                ):
                    raise ValueError(
                        f"Token {token} already in use: wanted to use it for "
                        f"user {user['id']} but it's already in use by "
                        f"user {self._token_user_mapping[token]}"
                    )
                self._token_user_mapping[token] = user

    @trace_method(

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at chromadb/auth/token_authn/__init__.py:172 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of chroma-core/chroma@aecdd12c8a (2026-08-16). Data as JSON: /api/errors/6ed2c9217ba7b3e2. Report an issue: GitHub.