Start SuperDirt on a server other than default s

Hello,

I would like to start Superdirt on a server other than s with a specific server, but I get errors by loading synths.
How could I launch Superdirt without errors on a specific server ?

Below the code generating errors :

(
~serverT = Server(\LocalT, NetAddr("127.0.0.1", 57110));
~serverT.options.memSize_(2.pow(18));

~serverT.waitForBoot {

	~dirt.free;
	~dirt = SuperDirt.new(2, ~serverT);
	~numberOfOrbits = 8;

	~dirt.loadSoundFiles();

	~serverT.sync;
	~dirt.start(57120, 0!~numberOfOrbits);
	~serverTWindow = ~serverT.makeWindow;
};
)

Many thanks,

Christophe