I`m not sure, but i think you have only one player controller. You must connect other player via server-client functionality or use Create Player node for splitscreen afaik.
Also i’ve found a question similar to yours:
I`m not sure, but i think you have only one player controller. You must connect other player via server-client functionality or use Create Player node for splitscreen afaik.
Also i’ve found a question similar to yours: