Error messages

Error code	Message	Description
400	Invalid `<parameter name>`: `<value>`	The given device parameter was provided with an invalid value.
400	CBSD must not set active configuration.	A device with an active configuration was passed to `CreateDevice()`.
400	CBSD out-of-date: `<CBSD>`	The device configuration changed on the server prior to being passed to `SignDevice()`.
400	Secret expired: `<secret>`	The secret passed to `ValidateInstaller()` has expired.
400	No 'value' in JWT payload.	The encoded JWT did not contain the 'value' field.
400	Signature verification error.	The CPI signature could not be verified.
401	A missing request required an authentication credential. Expected OAuth 2 access token, login cookie, or other valid authentication credential. See identity sign-in for web devconsole project for details.	The credentials passed to the API call were missing.
403	No permissions to call this method.	The caller is missing the role required to call the method.
403	Installer not verified.	The caller has the `role_cpi` role but needs to be validated in order to make the API call.
404	Requested entity was not found.	The resource specified in the API call doesn't exist.
409	Entity already exists.	The resource specified in the API call already exists.