Hiho, I swapped many regions for Imperator Augustus yesterday and got everything working just fine, now I decided to swap two more regions today and I've re done my progress multiple times now, I just can't figure out why I get this on creating the start pos:

https://i.imgur.com/8s9zJzg.png

Click image for larger version.  Name: 8s9zJzg.png  Views: 119  Size: 148.9 KB  ID: 18311

Can anybody tell me what the red line means?