I have been trying to complete strikes and Black Armory Forge activities all day today, yet I am never put in a fireteam. I am just placed into the activity by myself, every time. When I launch the activities, it doesn't even "search for guardians," it just throws me into the activities. No error codes, no network problems as Crucible, Iron Banner, and Gambit work perfectly fine. Only issues are PvE activities that go through matchmaking.