When I play deathmatch I feel like my aim is decent/ok, I hit my headshots, crosshair placements is good but whenever I go into ranked I suddenly forget everything, I miss easy shots, any tip for this? has this happened to anyone else? I k...

I can't login right now, it says we have encountered an unknown error. wait a moment and try again. you may need to update your account. Is it just me? I was literally playing a game and then I tried to switch accounts and then this happene...