Since i started playing the game (on my Samsung Galaxy S4) i have not been able to build add a titanium coaster to my park. I get the green outline of the station, or coaster, but when i click on "confirm" the station or coaster doesn't appear.

i have tried to build two coasters (costing coins and tickets) but they never materialize. the land where i tried to build them however, couldn't be used for anything else - until i clicked around on the land and found the invisible station. once i deleted the invisible station, i could once again build on the land.

anyone else having this problem? all the other coasters build/work fine.

can some from tech support please help? i can't complete one of the goals until i can build a titanium coaster.