I had this same issue yesterday where the gold earned during quest play was registered and the screen showed me getting 150 gold multiple times for the scenario award, but on the shop screen the 150 gold was not logged. I tried several other quest levels with the same results. My connection was up the entire time and I was earning small amounts of gold as I completed the quests. Things were working fine earlier in the week when I started playing to get the 10000 gold needed for the Character Add-On Deck. Really enjoying the game otherwise.