Raised when the SDK attempts to refresh an expiring access token (SAT) and the refresh endpoint returns an error or unparsable response. After this fires, the session continues using the current token until expiry; once that lapses the connection will be torn down. Catching this is your cue to obtain a fresh token out-of-band.
ErrorHuman-readable error message.
Underlying error returned by the token-refresh endpoint.
TokenRefreshError
Underlying error returned by the token-refresh endpoint.