sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.AccessDenied", strerror(-error));
else
sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.Failed", "Operation failed");
sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.AccessDenied", strerror(-error));
else
sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.Failed", "Operation failed");