my assistant end call immediately after speaking first message. what's the error? https://cdn.discordapp.com/attachments/1253122252744953997/1253122492889956402/image.png?ex=6674b4c4&is=66736344&hm=3766cb65994af1272d55e9d751a95247227efa85c974ed506157e81ff35850d9&