Can't create Session on Steam

Hey people, this is my first time asking a question in this forum. So here is the thing. I connected my game to steam subsystem using the official documentation. I am using the Advanced Sessions Plugin. When i use the default Create Session node which comes in the engine i can’t even create the session on steam. (I mean LAN Disabled) but when i use the plugin i can. The problem is, when i try to find the session. The search result always comes back with a length of 0 if i don’t enable LAN. So i don’t know what am i doing wrong. Can anyone help me?