Hey, thanks for posting the full log. It looks like the SaveGameInfo file got corrupted.
First thing to always try in this scenario is the following:
https://stardewvalleywiki.com/Saves#Undo_the_last_save
The game has backups; and that will roll you back one in-game day.
Though, if you're still having issues feel free to post the save, and we can see if the save is salvageable.
But, rolling back a day usually fixes it.