Fighting invisible enemies

[Afyrius]

Hi, I was at the base and was under attack, we defeated the raid but my characters keep fighting something that was not there, not sure if its a serious bug or not, but attached is the savegame folder (I save during the bug BTW); tried ordering them to be passive and on hold which led only a couple of them to attack. Thank you in advance.

Savegame folder: https://drive.google.com/drive/folders/ ... sp=sharing