By Fredrik Andersson, 13 November, 2018 Forum iOS and iPadOS Gaming How to build Buildings that requires mana? I have enough mana to build but the game says not in stock. Options Log in or register to post comments Comments Special buildings To build buildings that need mana you go to the shop. There you cast automate which looking at it now is only 5000 mana instead of the 10000 mana that the building description states. If the game crashes at this point then the only way to solve the problem is to. Quit the game from the app switcher and then delete the game and install it. This will reset your progress so apologies for this. The game crashes when I do The game crashes when I do that. Starting a new game also works Unfortunately this still resets your progress, but it might be you only need to restart the game. It seems like what happens is that the old files aren't compatible with the new updates sometimes, leading to crashing issues.