Need Help - 3 barracks

hello guys how are you?

well i tried to run bot with 3 barracks (since 1 is updating). When it is time to deploy troops, it gives me error.

Do you know how can i fix that?

P.s: should i use B.Archer mode or Barracks mode? thx

Select use barracks. Click locate barracks manually, select 3 barracks then at the 4th click cancel and run bot.