chroma-core/chroma · error · NotFoundError

NotFoundError

NotFoundError

Error message

Database {name} not found for tenant {tenant}. Are you sure it exists?

What it means

Error "Database {name} not found for tenant {tenant}. Are you sure it exists?" thrown in chroma-core/chroma.

Source

Thrown at chromadb/db/mixins/sysdb.py:111

                raise UniqueConstraintError(
                    f"Database {name} already exists for tenant {tenant}"
                ) from e

    @override
    def get_database(self, name: str, tenant: str = DEFAULT_TENANT) -> Database:
        with self.tx() as cur:
            databases = Table("databases")
            q = (
                self.querybuilder()
                .from_(databases)
                .select(databases.id, databases.name)
                .where(databases.name == ParameterValue(name))
                .where(databases.tenant_id == ParameterValue(tenant))
            )
            sql, params = get_sql(q, self.parameter_format())
            row = cur.execute(sql, params).fetchone()
            if not row:
                raise NotFoundError(
                    f"Database {name} not found for tenant {tenant}. Are you sure it exists?"
                )
            if row[0] is None:
                raise NotFoundError(
                    f"Database {name} not found for tenant {tenant}. Are you sure it exists?"
                )
            id: UUID = cast(UUID, self.uuid_from_db(row[0]))
            return Database(
                id=id,
                name=row[1],
                tenant=tenant,
            )

    @override
    def delete_database(self, name: str, tenant: str = DEFAULT_TENANT) -> None:
        with self.tx() as cur:
            databases = Table("databases")
            q = (

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at chromadb/db/mixins/sysdb.py:111 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/9e36d4c0117f1a24. Report an issue: GitHub.