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broker.state_invalid

The sign-in or sign-out request is unknown, already used or older than 10 minutes.

Codebroker.state_invalid
HTTP statusNone: a result code, recorded on a resource (for example an operation's resultCode) rather than returned as a problem response (Redirect)
ArgumentsNone (args is {})

Handling it

Branch on code, not on title or the status alone, and log traceId. Codes are stable; new codes may appear, so fall back on the HTTP status for a code you do not know. See Handling errors and the list of codes.