ERR

Error Code Atlas — Error & Status Code Reference

Look up HTTP, Windows, Linux, MySQL, PostgreSQL, cURL, SMTP and FTP error/status codes with source-backed meanings and safe first checks.

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Code namespaces

HTTP Status Codes62 verified entries Windows System Errors70 verified entries Windows HRESULT10 verified entries Linux errno130 verified entries MySQL Errors43 verified entries PostgreSQL SQLSTATE189 verified entries cURL Errors87 verified entries SMTP Reply Codes24 verified entries FTP Reply Codes39 verified entries

Reference pages

HTTP Status Codes 404 HTTP Status Codes 502 Windows HRESULT 0x80070005 — E_ACCESSDENIED Windows System Errors 5 — ERROR_ACCESS_DENIED MySQL Errors 1064 — ER_PARSE_ERROR PostgreSQL SQLSTATE 23505 — unique_violation cURL Errors 28 — CURLE_OPERATION_TIMEDOUT Linux errno EACCES — EACCES