@Alexander
During placement, place the Ftr Ace and then turn on edit and remove it. Then place whatever combination of units or unit you want. Adjust PUs also if necessary.
Post a save at end of CombatMove and Panzer and or I can look it over. Here is a link to a big battle trout and I just had
https://forums.triplea-game.org/topic/4234/exp-game-9-barnee-vs-trout?page=4
might have to scroll a little if it doesn’t take you right to it. The biggest thing is to move all Defenders from their Boxes to the TTy being attacked before any attackers enter it.
Otherwise the units will show up but not take part in the battle for the Defender.
Also make sure only 1 active Army/Corps per side. So you would reconfigure 1st AG to have 1st Tank and use a “Tank_General3” which you can move from the Overflow Box and G would use it’s “SS Panzer General”
Note
Currently the SS PG in the Box is the inactive one. Edit in the red dot active one to the Box before moving anything from the box or it won’t let you.
Big battles are complicated and should be fought in edit.
The link above should explain it pretty well.