ErrLookup › louislam/uptime-kuma

louislam/uptime-kuma

A fancy self-hosted monitoring tool · JavaScript · 324 source files

Analyzed at 6b5ea01557 on 2026-08-12. 213 documented errors.

Code / MessageTypeSeverityTags
Error creating SNMP session
exception error snmp, network, event-emitter, net-snmp, udp
Flowtriq notification failed with status code
exception error network, http, webhook, flowtriq, status-code
${msg}
exception error error-handling, axios, base-class, network, aggregation
${error.response.data ? error.response.data : "Error…
exception error network, http, goalert, error-handling, status-code
user not found, have you installed?
exception info bale, bot-api, getupdates, vue, notification-provider, user-facing
The oauth config is invalid.
exception error monitor, oauth2, oidc, http, auth
Password is too weak, please use a stronger password.
validation info telegram, bot-api, getupdates, vue, notification-provider, user-facing
Invalid Docker response, is it Docker really a daemon?
exception warning docker, network, validation
Incorrect current password
exception warning auth, password, security, socket, uptime-kuma
Unsupported proxy protocol provided.
validation error proxy, defensive, config, db-integrity, enum
domain_expiry_unsupported_monitor_type
validation warning domain-expiry, validation, monitor, i18n
Message received but value is not equal to expected value…
exception error mqtt, jsonata, json-query, monitor, uptime-kuma
Slug must be string
validation warning status-page, slug, validation, socket, uptime-kuma
Error evaluating JSON query
exception warning json-query, jsonata, monitor, error-handling, typescript, uptime-kuma
TLS Connection failed
exception error tls, certificate, tcp-monitor, network, timeout
Aggregate table migration is already in progress
exception error database, migration, startup
SMSEagle API returned error
exception error smseagle, notification-provider, api-response, http, config
Failed to create gift-wrapped event for recipient
exception error nostr, crypto, nip59, gift-wrap, key-format
keyword [ ] is in [" + + "]
exception error grpc, keyword, config, message-bug
Nextcloud Talk Error
exception error network, http, nextcloud-talk, status-code, bot
Multiple columns were found, expected only one value
exception error oracledb, sql, query-validation, monitor
The token is invalid due to password change or old token
exception warning auth, jwt, password-change, socket, session
Embedded Mariadb supports only 'node' or 'root' user, but…
exception critical mariadb, docker, startup, permissions
Expected TLS alert ' ' but connection succeeded. The server…
exception error tls, mtls, tcp-monitor, security, certificate
${response.data?.errorMsg ?? "SMSPlanet server did not…
exception error network, http, sms-planet, sms, gateway-rejection
Error checking Tailscale ping
exception error tailscale, error-wrapping, vpn, spawn
Recipient is not an npub
exception warning nostr, nip19, npub, validation, key-format
Certificate is invalid
exception error tls, ssl, certificate, security, tcp
Unknown Database type
exception critical database, config, startup
Unsupported proxy protocol
validation error proxy, config, validation, enum, string-formatting
You are not logged in.
exception warning auth, socket, session, uptime-kuma
Invalid db-config.json, type must be a string
exception critical database, config, startup
Invalid db-config.json, it must be an object
exception info telegram, bot-api, getupdates, vue, notification-provider, empty-response, user-facing
Invalid end date
validation error maintenance, validation, date
Invalid condition
exception warning json-query, jsonata, monitor, validation, operator, uptime-kuma
Invalid Slug
validation warning status-page, slug, validation, regex, socket, uptime-kuma
Invalid PM2 process name.
validation error monitor, pm2, validation, sanitization, uptime-kuma
Database connection/query failed
exception error mssql, sqlserver, database, connection, uptime-kuma
All nodes failed because
exception error rabbitmq, aggregate-error, cluster, network
Failed to decode private key for sender
exception error nostr, crypto, nip19, key-decode, validation
domain_expiry_unsupported_unsupported_tld_no_rdap_endpoint
validation warning domain-expiry, rdap, dns, validation, i18n
This Chromium executable path is not allowed by default. If…
exception error chromium, security, config, env
${res.status} - ${res.statusText}
exception error rabbitmq, http, authentication, config
SMTP connection doesn't verify
exception error smtp, nodemailer, email, tls, network
Unexpected status code
exception error network, http, resend, email, status-code
Empty or undefined response. Check query syntax and…
exception warning json-query, jsonata, monitor, validation, typescript, uptime-kuma
Ooredoo rejected the message
exception error network, http, ooredoo, sms, gateway-rejection
${e.message}
exception error chromium, playwright, native-deps, diagnostics
Query evaluation returned undefined. Check query syntax and…
exception warning json-query, jsonata, monitor, validation, typescript, uptime-kuma
Query executed, but value is not equal to expected value…
exception error mongodb, expected-value, comparison, config
Invalid RabbitMQ Nodes
exception error rabbitmq, json, config, validation
Remote browser not found
exception error crud, not-found, redbean, ownership, remote-browser
Message Mismatch - Topic
exception error mqtt, monitor, content-mismatch, uptime-kuma
OneChat API Error
exception error network, http, onechat, error-handling, status-code
No valid recipient phone number was provided.
exception warning config, validation, ooredoo, phone-number, recipient
docker host not found
exception error docker, authorization, api, not-found
SMSEagle API returned an empty response
exception error smseagle, notification-provider, api-response, config
Conditions not met - Topic
exception error mqtt, conditions, monitor, uptime-kuma
No varbinds returned from SNMP session
exception error snmp, net-snmp, protocol, validation
Error decoding recipient
exception error nostr, nip19, error-handling, recipient
Invalid duration
exception warning uptime-calculator, duration, validation, badge, uptime-kuma
PM2 process ' ' was not found.
exception error pm2, process-monitoring, config
Permission denied.
exception error monitor, authorization, ownership, socket, security
The monitor implementation is incorrect, non-UP error must…
exception error plugin, developer, monitor-type, contract
The SNMP query returned that no instance exists for OID
exception warning snmp, net-snmp, oid, mib, protocol
Connection to Docker daemon timed out.
exception error docker, network, timeout
Invalid NTP response: expected 48+ bytes, got
exception error ntp, udp, malformed-packet, uptime-kuma
Connection failed
exception warning tcp, network, connectivity, port
DNS lookup returned no addresses
exception error steam, dns, resolution, ipv4
Root dispersion ms exceeds threshold ms
exception warning ntp, threshold, config, uptime-kuma
domain_expiry_unsupported_missing_target
validation warning domain-expiry, validation, monitor
Failed to create measurement
exception error globalping, rate-limit, credits, api, uptime-kuma
Failed to fetch measurement
exception error globalping, api, measurement, transient, uptime-kuma
PagerDuty notification failed with status code
exception error pagerduty, http, status-code, events-api
Failed
exception warning globalping, measurement, down-condition, network, uptime-kuma
${res.data.reason}
exception error rabbitmq, http, cluster-health, resource-alarm
Invalid url protocol, only http and https are allowed.
exception error chromium, security, url-validation, lfi
Additional Headers is not a valid JSON
validation error smtp, notification-provider, config, json, validation
NTP server is unsynchronized (stratum 16)
exception error ntp, time-sync, stratum, uptime-kuma
${res.status()}
exception error chromium, http, monitor, runtime-state
JSON query returned the array
exception warning json-query, jsonata, monitor, validation, typescript, uptime-kuma
domain_expiry_unsupported_is_icann
validation warning domain-expiry, validation, dns, i18n
yzj's server did not respond with the expected result
exception error yzj, notification-provider, api-response, config, diagnostics
GrafanaOncallURL cannot be empty
exception warning config, validation, grafana-oncall, missing-url
Service Name is required.
validation error monitor, system-service, validation, uptime-kuma
Splunk notification failed with invalid response!
exception error splunk, notification-provider, axios, response-shape, defensive
JSON query does not pass
exception warning snmp, json-query, predicate, monitoring
Notification type is not supported
exception error notification, registry, config, provider-not-found
Query returned no results
exception error mssql, sqlserver, sql, empty-result, uptime-kuma
Child monitors down: ; pending
exception error group, aggregate, down, notification
`}
exception error websocket, status-code, network, monitor
Steam API Key not found
exception error steam, api-key, configuration, authentication
Unknown MQTT Check Type
exception error mqtt, check-type, config, enum
Query result did not meet the specified conditions
exception error mssql, sqlserver, conditions, database, uptime-kuma
Invalid start date
validation error maintenance, validation, date
TLS certificate is not authorized
exception error globalping, tls, certificate, https
Timeout must be between
validation error monitor, ping, validation, timeout, uptime-kuma
passwordTooWeak
passwordTooWeak
validation warning auth, setup, password-policy, validation, i18n
Remote Browser not found
exception error crud, not-found, ownership, remote-browser, idempotency
The maximum number of hours is 720
validation warning uptime-calculator, limits, badge, validation, uptime-kuma