I've found no issues with your save and can't replicate this bug at all. What OS you are using?
Viewing post in Old Bug Report Thread
Again, I had no issues with this version, even though it does not look quite as pristine as it should be (portrait pack shouldn't exist there at the very least). I suggest to try clean your C:\Users\<username>\AppData\Roaming\strive2 folder. Otherwise I really have no idea what might be causing it at all.
I already tried to clean the save folder when I downloaded a fresh version and the .zip I uploaded is a rearchive of my folder, that's why there was the portrait pack.
Thank you for giving me a bit of your time, knowing it comes from my system is still better than not having any idea.
Have a good day.