Hi Actually there is a reason behind this.. My player I'd is 41948175 and whenever I use building speed up rendom message appeared on screen about network problem (YOU MAYBE EXPERIENCING NETWORK PROBLEM, YOUR PLAYER I'D IS 41948175 ) but game works well . I have excellent data speed my game is working well I have no network issue with game MOREOVER I am aware regarding the types of speed up and how to use them. Please sort this out Bad land (classical age ) roman