Description:    err.Error(),
				HTTPStatusCode: http.StatusBadRequest,
			}
		case errors.Is(err, madmin.ErrTierTypeUnsupported):
			apiErr = APIError{
				Code:           "XMinioAdminTierTypeUnsupported",
				Description:    err.Error(),
				HTTPStatusCode: http.StatusBadRequest,
			}
		case errIsTierPermError(err):
			apiErr = APIError{
				Code:           "XMinioAdminTierInsufficientPermissions",

		Code:       "XMinioAdminTierBackendInUse",
		Message:    "Specified remote tier is already in use",
		StatusCode: http.StatusConflict,
	}

	errTierTypeUnsupported = AdminError{
		Code:       "XMinioAdminTierTypeUnsupported",
		Message:    "Specified tier type is unsupported",
		StatusCode: http.StatusBadRequest,
	}

	errTierBackendNotEmpty = AdminError{
		Code:       "XMinioAdminTierBackendNotEmpty",