Hello Battlers! If you have had any trouble recently with disappearing buildings or weird game behavior, fear not! Update 1.43 has arrived to the Google Play store and it should resolve any missing building issues. Get is in the Google Play store here: http://bit.ly/15ORK8z (iOS is on the way).
If you have any trouble after updating or need help, please send us an email at firstname.lastname@example.org