nautechsystems/nautilus_trader · error

No session token after login

Error message

No session token after login

What it means

Error "No session token after login" thrown in nautechsystems/nautilus_trader.

Source

Thrown at crates/adapters/betfair/src/execution.rs:1140

            .send_accounts(METHOD_GET_ACCOUNT_FUNDS, serde_json::json!({}))
            .await
            .map_err(|e| anyhow::anyhow!("{e}"))?;

        let ts_init = self.clock.get_time_ns();
        let account_state = parse_account_state(
            &funds,
            self.core.account_id,
            self.currency,
            ts_init,
            ts_init,
        )?;
        self.emitter.send_account_state(account_state);

        let session_token = self
            .http_client
            .session_token()
            .await
            .ok_or_else(|| anyhow::anyhow!("No session token after login"))?;

        // Sync OCM state from cached orders before stream connects
        self.sync_ocm_state_from_cache();

        let market_ids_filter = self
            .config
            .stream_market_ids_filter
            .as_ref()
            .map(|ids| ids.iter().cloned().collect::<ahash::AHashSet<String>>());

        let (reconnect_tx, mut reconnect_rx) = tokio::sync::mpsc::unbounded_channel();
        let (account_refresh_tx, mut account_refresh_rx) = tokio::sync::mpsc::unbounded_channel();
        self.account_refresh_tx = Some(account_refresh_tx.clone());

        let handler = Self::create_ocm_handler(
            self.emitter.clone(),
            self.core.account_id,
            self.currency,

View on GitHub (pinned to a4b06ed870)

When it happens

Trigger: Thrown at crates/adapters/betfair/src/execution.rs:1140 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of nautechsystems/nautilus_trader@a4b06ed870 (2026-08-16). Data as JSON: /api/errors/cb574cbb76c22a6b. Report an issue: GitHub.