no matter what I do, even simply refreshing my server list, gives me packet error (localhost minestom attempt):

[JavaIsHot]

0x0 error
I feel really stupid posting this but:

public class Main {
	public static void main(String[] args) {
		MinecraftServer.init();
		MinecraftServer server = MinecraftServer.init();

		InstanceManager instanceManager = MinecraftServer.getInstanceManager();
		GlobalEventHandler globalEventHandler = MinecraftServer.getGlobalEventHandler();


		InstanceContainer worldManager = instanceManager.createInstanceContainer();
		worldManager.setGenerator(unit ->
				unit.modifier().fillHeight(1, 10, Block.IRON_BLOCK));


		// Player Packet Manager (0x0)
		//MinecraftServer.getConnectionManager().


		// Player Spawn Location
		globalEventHandler.addListener(AsyncPlayerConfigurationEvent.class, event -> {
			final Player player = event.getPlayer();

			event.setSpawningInstance(worldManager);
			player.setRespawnPoint(new Pos(0, 15, 0));
		});


		server.start("127.0.0.1", 25565);

		System.out.println("Server Started");
	}
}

java.lang.IllegalStateException: Packet id 0x0 isn't registered!
        at net.minestom.server.network.packet.client.ClientPacketsHandler.create(ClientPacketsHandler.java:36)
        at net.minestom.server.network.PacketProcessor.create(PacketProcessor.java:43)
        at net.minestom.server.network.PacketProcessor.process(PacketProcessor.java:53)
        at net.minestom.server.network.player.PlayerSocketConnection.lambda$processPackets$0(PlayerSocketConnection.java:103)
        at net.minestom.server.utils.PacketUtils.readPackets(PacketUtils.java:231)
        at net.minestom.server.network.player.PlayerSocketConnection.processPackets(PlayerSocketConnection.java:97)
        at net.minestom.server.network.socket.Worker.lambda$run$0(Worker.java:103)
        at java.base/sun.nio.ch.SelectorImpl.processReadyEvents(SelectorImpl.java:297)
        at java.base/sun.nio.ch.WEPollSelectorImpl.processEvents(WEPollSelectorImpl.java:186)
        at java.base/sun.nio.ch.WEPollSelectorImpl.doSelect(WEPollSelectorImpl.java:122)
        at java.base/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:130)
        at java.base/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:168)
        at net.minestom.server.network.socket.Worker.run(Worker.java:83)

[JavaIsHot]

yo guys I found the answer.. it was indeed me being very stupid!
I was doing:

MinecraftServer.init();
MinecraftServer server = MinecraftServer.init();

so, initializing twice... hopefully nobody else ever has this error