Sorry, it seems the translation didn't go well.
If you could share your save data via Drive or a similar service, I'll analyze it.
Erm... I don't really have a private google drive but here's a screenshot of what might be the same issue that the user is experiencing. I also cannot seem to enter haha.
This specific text box flashes open when I try to open the game through the "player", Closing this would have it flash again and I'd need to close the window again and again as it keeps flashing until it stops appearing.