I had a look but couldn't find what could cause this. The issue is that it is still under heavy construction at the moment and things are being rebuilt and shifted around so much. The latest version I released is still considered a test/concept build to showcase the direction of the combat system, and I would urge anyone having game-breaking issues to revert to the previous version.
Today I will be looking at it again. I will also check to see if the module responsible for tracking the durations needs to be reinstalled, so I'm hoping to bring you some good news by the end of the day. It just doesn't seem likely because I've tried everything I could think of to duplicate this and failed
