errorsfyi
A community directory of error codes. Every code — 404, ENOENT, 23505 — has a canonical page. Contributed and maintained on GitHub.
From the directory
- cocoa NSFileNoSuchFileError No Such File
- bgp 5 Finite State Machine Error
- openssl TLS_handshake_failure Handshake failure
- windows-errno EIDRM Identifier removed
- imap CORRUPTION CORRUPTION
- posix ENOLCK No locks available
- kafka PRODUCER_FENCED Producer Fenced
- mqtt ContinueAuthentication Continue Authentication
- bgp 6-6 Cease: Other Configuration Change
- sip 513 Message Too Large
- haskell BlockedIndefinitelyOnMVar BlockedIndefinitelyOnMVar
- twitter 135 Could not authenticate you (timestamp out of range)
- discord 10013 Unknown User
- mqtt NoSubscriptionFound No Subscription Found
- postgresql 23P01 Exclusion violation
- openssl TLS_illegal_parameter Illegal parameter
- kerberos KDC_ERR_INVALID_CERTIFICATE Received an invalid certificate
- github-actions skipped Skipped
- azure QuotaExceeded Quota Exceeded
- haskell IndexOutOfBounds IndexOutOfBounds
- systemd 220 SCHED
- nodejs ERR_TLS_INVALID_PROTOCOL_VERSION Invalid TLS protocol version
- nfs NFS4ERR_RESOURCE Insufficient resources
- cpp std--bad_optional_access std::bad_optional_access
Namespaces
- dotnet 20
- acme 24
- android 16
- angular 17
- ansible 9
- anthropic 8
- apache 10
- kafka 121
- thrift 11
- zookeeper 23
- astro 12
- auth0 12
- aws 83
- azure 15
- bazel 15
- bgp 40
- bluetooth 69
- bundler 14
- cpp 20
- cargo 2
- cassandra 20
- chrome 32
- clickhouse 72
- cloudflare 29
- cmake 7
- coap 27
- cocoa 27
- composer 6
- cuda 18
- curl 91
- dart 13
- deno 24
- digitalocean 7
- discord 33
- django 18
- dns 20
- docker 38
- elasticsearch 12
- elixir 25
- erlang 35
- eslint 3
- facebook 12
- firebase 19
- firefox 18
- flake8 36
- flask 21
- ftp 57
- gemini 16
- git 6
- github-actions 16
- github 13
- gitlab 12
- make 3
- go 27
- godot 49
- gcp 17
- gradle 4
- graphql 11
- grpc 17
- haskell 25
- heroku 36
- homebrew 6
- http 61
- http2 14
- http3 34
- icmp 38
- imap 35
- java 50
- javascript 8
- jest 2
- julia 17
- kerberos 68
- kotlin 15
- kubernetes 39
- laravel 13
- ldap 39
- lua 7
- macos 19
- maven 2
- memcached 10
- mssql 25
- modbus 10
- mongodb 51
- mqtt 43
- msbuild 19
- mypy 24
- mysql 82
- neo4j 68
- nextjs 19
- nfs 93
- nginx 6
- nodejs 96
- npm 24
- nuget 16
- nuxtjs 10
- oauth 21
- obd2 40
- oci 14
- okta 12
- openai 14
- openssl 59
- oracle 16
- paypal 15
- php 16
- pip 15
- pnpm 11
- posix 77
- signals 36
- postgresql 148
- prisma 42
- pydantic 45
- pyjwt 19
- pytest 6
- python 65
- r 9
- rabbitmq 19
- react 10
- redis 21
- rollup 15
- rsync 20
- ruby 46
- rails 18
- rust 77
- salesforce 19
- saml 23
- scala 16
- shell 38
- sip 75
- slack 28
- smtp 38
- snmp 26
- solidity 10
- spring 20
- sqlite 65
- square 51
- ssh 20
- stripe 33
- stun 14
- supabase 87
- svelte 10
- swift 75
- systemd 46
- terraform 40
- tls 34
- twilio 19
- twitter 24
- typescript 85
- vercel 11
- vim 55
- vite 7
- vue 15
- vulkan 32
- webdav 8
- webdriver 28
- webpack 8
- websocket 16
- windows-errno 79
- hresult 52
- ntstatus 40
- winsock 53
- windows 72
- xmpp 47
- yarn 18