ErrLookup › home-assistant/core
home-assistant/core
:house_with_garden: Open source home automation that puts local control and privacy first. · Python · 10,061 source files
Analyzed at 58a3fdb3ea on 2026-08-14. 387 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
coordinator_state_error Error while fetching state data for heating circuit | exception | error | home-assistant, bsblan, coordinator, update-failed, circuit |
| err | exception | error | home-assistant, automation, blueprint, configuration |
| command_error_offline | exception | error | braviatv, home-assistant, offline, media-player, network |
failed_to_set_fan_mode Failed to set fan mode | exception | error | home-assistant, climate, fan-mode, hvac, bryant-evolution |
| cannot_connect | exception | error | home-assistant, apcupsd, network, coordinator, connection-timeout |
command_failed Failed to execute command on the BleBox device | exception | error | home-assistant, blebox, command, network |
| authentication_failed | exception | error | home-assistant, azure-devops, authentication, pat, reauth |
equal_probabilities equal_probabilities | validation | warning | home-assistant, bayesian, config-flow, validation |
intent-agent-not-found Intent recognition engine | exception | error | assist-pipeline, conversation, agent, multi-turn |
set_operation_mode_error An error occurred while setting the operation mode | exception | error | home-assistant, bsblan, water-heater, operation-mode, write |
| Error during pre-backup | exception | error | backup, pre-backup, platform-hook, home-assistant |
no_path Can't write to directory | validation | error | blink, service-validation, filesystem, allowlist, camera |
wake-word-timeout Wake word was not detected | exception | warning | voice, wake-word, vad, assist-pipeline |
| Mode can't be changed on slave zone | exception | warning | airzone, hvac, master-slave, climate, validation |
connection_error connection_error | exception | error | bosch-alarm, service, connection, home-assistant |
| No application_credentials platform for | validation | error | home-assistant, oauth, application-credentials, integration-setup, validation |
| BTHome trigger is not valid for device_id | exception | warning | home-assistant, bthome, ble, device-trigger, validation, discovery |
| {result} | exception | error | backup, upload, reader-writer, disk |
| Credential is already linked to a user | exception | error | home-assistant, config-entry, network, bosch-shc, connection-error |
data_update_failed data_update_failed | exception | error | home-assistant, blebox, coordinator, network |
| {err} | exception | error | homeassistant, aemet, config-entry-not-ready, api-error, weather |
| ConfigEntryError | exception | error | home-assistant, blebox, config-entry, unsupported-device, parsing |
current_conditions_update_error An error occurred while retrieving weather current conditions data from the… | exception | error | coordinator, network, accuweather, rate-limit, retryable |
setup_outdated_firmware Your BSB-LAN device is running firmware | exception | error | home-assistant, bsblan, firmware, version, setup |
cannot_connect cannot_connect | exception | error | airzone, config-flow, discovery, network, abort-flow |
| error | exception | error | solar, inverter, serial, rs485, coordinator, aurora-abb-powerone |
username_not_normalized username_not_normalized | exception | error | auth, python, home-assistant, username, validation, local-provider |
oauth2_implementation_unavailable oauth2_implementation_unavailable | exception | error | oauth2, config-entry, setup, application-credentials |
| exc | exception | error | network, router, ssh, coordinator, asuswrt |
| Error communicating with API | exception | error | homeassistant, adax, network, coordinator, updatefailed |
| Invalid MAC address | exception | error | home-assistant, aprilaire, mac-address, dhcp, device-identity |
| Unable find multi-factor auth module | exception | error | home-assistant, coordinator, update-failed, brunt, network, http-error |
setup_connection_error Failed to retrieve static device data from BSB-LAN device at | exception | error | home-assistant, bsblan, network, setup, connection |
| UnknownUser | http | error | auth, service-call, assist-satellite, permissions |
| Not found | exception | error | braviatv, home-assistant, invalid-input, source, value-error |
| Updates not supported | validation | error | home-assistant, application-credentials, immutable, websocket-api |
| connect_failed | exception | error | home-assistant, broadlink, network, setup-retry |
update_failed Failed to fetch firmware update information from the BleBox device | exception | error | home-assistant, blebox, firmware, update-entity, network |
not_supported not_supported | exception | error | home-assistant, broadlink, config-flow, device-support |
| command_error | exception | error | braviatv, home-assistant, api-error, media-player |
consent_required The terms and conditions for your Anglian Water account have been updated… | exception | error | auth, consent, water, config-entry-not-ready, repair-issue |
failed_to_parse_hvac_action Could not determine HVAC action | exception | error | bryant-evolution, climate, hvac-action, auto-mode, missing-data, home-assistant |
| Protocol(s) not yet found for , waiting for discovery. | exception | warning | home-assistant, apple-tv, discovery, mdns, retry |
| System generated users can only have system type refresh… | exception | error | auth, python, home-assistant, refresh-token, token-type, valueerror |
| No valid blueprint found in the topic. Blueprint syntax… | exception | error | blueprint, importer, yaml, community-forum, automation |
| reaction_request_failed | exception | error | home-assistant, bring, network, service-call |
| Heat/Cool is not supported in this mode | validation | warning | homeassistant, advantage-air, climate, validation |
| Invalid filename | exception | error | backup, upload, validation, path-traversal |
device_not_found Could not find Avea device with address | exception | error | home-assistant, bluetooth, ble, config-entry, avea |
invalid_auth Invalid authentication credentials | exception | error | alexa-devices, authentication, session-expiry, homeassistant |
| Could not find Azure Data Explorer database or table | exception | error | home-assistant, azure, kusto, data-explorer, config-entry |
coordinator_connection_error Error while establishing connection with BSB-LAN device at | exception | error | home-assistant, bsblan, coordinator, connection, unavailable |
| send_command_failed | exception | error | home-assistant, broadlink, infrared, network |
| unexpected_chat_log_content | exception | error | home-assistant, anthropic, chat-log, type-mismatch |
code_arm_required code_arm_required | validation | warning | alarm-control-panel, validation, arm, service-validation |
failed_send Failed to send command | validation | error | adb, service-action, validation, unicode, androidtv |
| Could not find Airthings device with address | exception | warning | home-assistant, bluetooth, ble, airthings, discovery |
| Migration to OAuth required | exception | error | august, oauth, migration, config-entry, auth |
| Failed during | exception | error | home-assistant, aws, s3, backup, botocore |
| This alert cannot be acknowledged | validation | error | home-assistant, alert, service-validation, configuration |
| Timeout downloading metadata for backup | exception | error | backup, backblaze-b2, timeout, network |
| InvalidAuth | exception | error | home-assistant, blink, authentication, config-flow, cloud |
connection_failed Connection failed to the device. | exception | error | home-assistant, arcam-fmj, entity, connection, service-action |
| No valid blueprint found in the gist. The blueprint file… | exception | error | blueprint, importer, github-gist, yaml, schema |
| Unable to load auth provider | exception | error | auth, python, home-assistant, auth-provider, config, import-error |
| Failed to connect | exception | error | home-assistant, airos, ubiquiti, network, button |
| Refusing to write outside | exception | error | backup, security, path-traversal, validation |
| Only local attachments are currently supported | exception | error | homeassistant, ai-task, attachments, media-source |
| Unable to load mfa module | exception | error | auth, python, home-assistant, mfa, config, import-error |
end_time_before_start_time End time ( ) must be after start time ( ) | validation | warning | home-assistant, bsblan, schedule, validation, service-action |
tts-not-supported Text-to-speech engine | exception | error | assist-pipeline, tts, configuration, language |
| account_not_found | exception | error | azure, blob-storage, config-entry, not-found |
setup_general_error An unknown error occurred while retrieving static device data | exception | error | home-assistant, bsblan, setup, generic-error, json |
| invalid_auth | exception | error | azure, blob-storage, auth, config-entry |
| Authentication or connection failed during firmware update | exception | error | home-assistant, airos, firmware-update, authentication |
setup_auth_error Authentication failed while retrieving static device data | exception | error | home-assistant, bsblan, authentication, setup, credentials |
| ConfigEntryNotReady | exception | error | home-assistant, blue-current, websocket, network, retry |
| No devices were found on the websocket, perhaps you don't… | exception | warning | home-assistant, anova, websocket, setup, no-devices |
communication_error An error occurred while communicating with the Airgradient device | exception | error | airgradient, home-assistant, entity-action, network |
| System generated users cannot disable multi-factor auth… | exception | error | home-assistant, config-entry, serial-device, bryant-evolution, file-not-found, hardware |
| activity_not_found | validation | warning | bring, home-assistant, service-call, activity, validation |
not_a_water_heater_device The selected device ( ) is not a water heater. Please select the water heater… | validation | warning | home-assistant, bsblan, water-heater, device-id, validation |
smart_meter_unavailable This account no longer has a smart meter associated with it. | exception | error | account, water, config-entry-error, no-retry |
authentication_failed authentication_failed | exception | error | bosch-alarm, authentication, config-entry, home-assistant |
update_error An error occurred while communicating with the Airgradient device | exception | error | airgradient, home-assistant, network, coordinator |
| An error occurred while retrieving data from the Airly API… | exception | warning | airly, home-assistant, geolocation, coverage |
| Command not found. Exiting sequence | validation | error | home-assistant, apple-tv, remote, pyatv, validation |
| ConfigEntryAuthFailed | exception | error | home-assistant, bosch-shc, authentication, tls, pairing |
invalid_credentials Bucket cannot be accessed using provided combination of access key ID and… | exception | error | home-assistant, aws, s3, iam, credentials, config-entry |
| Blink failed to disarm camera | exception | error | home-assistant, blink, alarm-control-panel, timeout, cloud |
failed_to_set_temp Failed to set temperature | exception | error | bryant-evolution, climate, setpoint, temperature, command-failure, home-assistant |
invalid_device_id Invalid device ID | validation | warning | home-assistant, bsblan, device-id, validation, service-action |
INVALID_DIRECTIVE The unlock directive is not supported for the following locales | exception | error | alexa, smart-home, locale, lock, invalid-directive |
| update_error | exception | error | braviatv, home-assistant, coordinator, update-failed, parsing |
| command_error_not_found | exception | error | bravia-tv, not-found, command, home-assistant, coordinator |
config_entry_not_loaded Config entry not loaded. | validation | error | homeassistant, adguard, service-validation, config-entry |
| Bluetooth adapter with address not found | exception | error | bluetooth, adapter, hardware, config-entry-not-ready |
| No data returned from Azure DevOps | exception | warning | home-assistant, azure-devops, coordinator, pat, configuration |
stt-stream-failed Unexpected error during speech-to-text | exception | error | assist-pipeline, stt, streaming, debugging |
TEMPERATURE_VALUE_OUT_OF_RANGE The requested temperature | exception | error | alexa, smart-home, climate, thermostat, temperature-range |