The two of them managed to have a relatively normal visit to this place, given the kind of predicaments he and Sarah Jane had gotten into before. They visited the museum and worked their way around on a tour, even getting in to meet the royal family and see every allowable aspect of the palace. So far, so good.
But then they came back to the TARDIS, and there were messages blinking. God, what now? The Doctor had practically filtered it all so that the really important things jumped out to him, so there was no telling what this said. He pressed a few buttons and the screen showed the message. His face immediately showed his displeasure at what it said and he walked away from it before he went off in a tirade.