For two days in a row I have gotten a daily quest entitled Lady Killers that requires me to kill assassins. When I tap the travel button, all of the dungeons listed require level 38 or higher. I am only level 37!
Yesterday it was only a regular daily quest. Today it is a guild quest, so this is now affecting the crown total of my entire quild.
I am guessing this may have something to do with playing dungeons over my current level to the extent that the next dungeon is locked until level 38. (I have completed chapter 16 and first dungeon of chapter 17 requires level 38.)