Error messages

The following table describes error messages that you might encounter when using the Google Spectrum Access System (SAS) Portal API.

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`400`	CBSD out-of-date: `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. For details, see Integrating Google Sign-In into your web app.	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 does not exist.
`409`	Entity already exists.	The resource specified in the API call already exists.