Yes, from what the log says, the persistent data loaded without trouble, For now please check if the skip button remain 'grey' or not after Day 17 passed (Or take note when the skip button becomes light again). Honestly, if you can skip pass the Prologue, it should be fine because you've done things correctly @@ now I'm confused haha.
The highest probability is because RenPy think Day 17 is special and have something new you have to see in there OR you can go to settings >>> "Skip Messages" and tick 'All messages' to forcefully skip through a scene. But this is with the risk of skipping through a sentence/scene you haven't read
With that said, I do apologize for the inconvenience m(_ _)m