I replicated the UI bug in question. This occurs after I select the concert hall on the board, and then select a new building from the building picker. As you can see, the prod/con vals for the new building are written underneath the existing values for the concert hall. Perhaps because the UI prompt comes from two separate systems (board vs. resource picker), it does not know to close the first one out when it receives new data from the second? If this is the case, I would recommend that the UI element be activated using an event-based system, so that it isn't directly instructed to display from the on-board objects or building menu. IDK your architecture though so that's just a guess.
As for the day progression bug, I believe the game crashed after making a decision around day 6 or 7 (it was related to meeting teachers or something) - I did not receive the standard 'game failed' message, the .exe just terminated. I can't replicate this though, sorry I don't have the actual details.