Error Code Portal
GoogleGoogle APIs / gRPCError code

UNKNOWN

UNKNOWN

Alternative forms: 2 · google.rpc.Code.UNKNOWN

What does this code mean?

Code UNKNOWN · An issue reported by Google APIs / gRPC.

Official explanation · Original text

Unknown error. For example, this error may be returned when a `Status` value received from another address space belongs to an error space that is not known in this address space. Also errors raised by APIs that do not return enough error information may be converted to this error. HTTP Mapping: 500 Internal Server Error

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Google APIs canonical google.rpc.Code status definitions ↗

Creator: Google LLC
License: Apache License 2.0
Checked on: 2026-11-12

Modifications: Extracted enum names, numeric aliases, and official source comments; comment syntax removed; original Korean contexts added. Successful OK is labeled status, not error.

Source details · Original licenses and notices