There is definitely something odd going on there but I will need to know the exact route you took selecting the type of battle as this is a hugely complex campaign so I can see if I take the same steps you took if I can get the same result
What I found was not unlike what you described but with the second save what I ended up trying was just to go for it..... it came up Human Vs Human so I thought...... OK lets see what happens so I pressed Continue and a battle report screen appeared then I pressed continue and it was recorded as a draw.....there were no casualties, I bought support points and deployed then saved, restarted and everything was back to normal..... Human ANZAC / Italian Computer
I'd like to know the exact path you took but for now I would say just continue on with save 9 and it should do what I described then you can continue
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"You are never to old to rock and roll if you are too young to die".--- What do you expect to be doing when you are 80?
On the short opening I took the middle path Nortmal I beleive.
Followed the recommendation about art for the first and completed around turn 85, A draw by the way.
Completed the second, you have hte save.
I've now worked through the third using the first turn save etc.
During it I knew there was something wrong when the description says upto three enemy companies attacking in waves and it didn't happen. I've finished and everything saves as it should for the next scenario.
He's a pic of the enemy roster along with end of scenario save. As you can see many units simply did not appear.