I have the same issue and its been 2 days since i have it. No daily reward chest or no boss chest, also im not getting any little chests in dungeon. Im sure that i didnt do my daily because as i said, its been 2 days. So there should be a problem or a bug. Tried it in Citadel of Flame, Twilight Arbor and Ascalonian Catacombs dungeons. All of them were bugged on me.