{"record":{"id":"ea4f8e3139c46789","repo":"bytedance/deer-flow","slug":"failed-to-start-display-name-channel-check-the","errorCode":null,"errorMessage":"Failed to start {display_name} channel. Check the values and try again.","messagePattern":"Failed to start (.+?) channel\\. Check the values and try again\\.","errorType":"http","errorClass":"HTTPException","httpStatus":400,"severity":"error","filePath":"backend/app/gateway/routers/channel_connections.py","lineNumber":689,"sourceCode":"    runtime_config[\"enabled\"] = True\n\n    for key in _RUNTIME_REQUIREMENTS[provider]:\n        runtime_config[key] = values[key]\n\n    if provider == \"telegram\":\n        # The deep-link username is persisted with the runtime channel config\n        # (set_provider_config below) and applied to future requests via\n        # apply_runtime_connection_config; never mutate the config instance\n        # cached by get_app_config().\n        runtime_config[\"bot_username\"] = values[\"bot_username\"]\n\n    candidate_channels_config = dict(channels_config)\n    candidate_channels_config[provider] = runtime_config\n\n    started = await _restart_runtime_channel_if_available(provider, runtime_config)\n    if started is False:\n        display_name = _PROVIDER_META[provider][\"display_name\"]\n        raise HTTPException(status_code=400, detail=f\"Failed to start {display_name} channel. Check the values and try again.\")\n\n    store = await _get_runtime_config_store(request)\n    await asyncio.to_thread(store.set_provider_config, provider, runtime_config)\n\n    # Re-read the live cached config and apply only this provider's change so a\n    # concurrent mutation for a different provider is not clobbered. No await\n    # may occur between this read and the reassignment.\n    live_channels_config = await _get_channels_config(request)\n    live_channels_config[provider] = runtime_config\n    request.app.state.channels_config = live_channels_config\n\n    return _provider_response(config, live_channels_config, provider, _PROVIDER_META[provider])\n","sourceCodeStart":671,"sourceCodeEnd":702,"githubUrl":"https://github.com/bytedance/deer-flow/blob/1dd6ba1acb03700589994b0366c5d1c7d05e2eff/backend/app/gateway/routers/channel_connections.py#L671-L702","documentation":"Error \"Failed to start {display_name} channel. Check the values and try again.\" thrown in bytedance/deer-flow.","triggerScenarios":"Thrown at backend/app/gateway/routers/channel_connections.py:689 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify the channel credential values (tokens, secrets, URLs) are correct and complete, then retry.","Check the Gateway logs for the underlying start failure from the provider SDK."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"1dd6ba1acb03700589994b0366c5d1c7d05e2eff","analyzedAt":"2026-08-14T21:20:34.804Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}