My error was the building one all I did was got the game out of my tablet every way I could think of even off of my apps list in the play store and uninstalled the updates for some of the Google stuff and unsynced all the emails for the game scanned my tablet with Iobit it's a free app downloaded the game scanned one more time and the error was gone :-) and I had my city back :-) :-) :-)