I gave a lingot to someone when I had 8 lingots. I still have 8 lingots! I don't know whether this is a problem or someone gave me a lingot, but an answer would be appreciated
yes, it might be that someone else gave you a lingot. you are not notified when that happens, so this could be what happened.
Exactly what FrankySka said! :) Gave you both a lingot, and we definitely deducted accordingly!