Me and my friend are diamond 3 diamond 3 and diamond 1. We are only 3 yet it says party full is this happening to anyone else? We restarted our game and relobbied and everything it doesn't wanna work

Whenever I play an agent that has a support ability, my teammates asks a lot whether I still have the said ability or not. I play at Diamond elo and usually solo queue. Its a hassle to always ask for something when we are focusing on a comi...