An error has occured!
Almost anything can be the cause, but the detailed information below can help the developers find the source of the error.
Running: The buttonup handler.
A stack trace is included below, and the handler has been disconnected.
./CorsixTH/Lua/dialogs/place_objects.lua:384: bad argument #2 to 'setAnimation' (number expected, got nil)
stack traceback:
        [C]: in function 'setAnimation'
        ./CorsixTH/Lua/dialogs/place_objects.lua:384: in function 'setOrientation'
        ./CorsixTH/Lua/dialogs/place_objects.lua:440: in function 'nextOrientation'
        ./CorsixTH/Lua/dialogs/place_objects.lua:352: in function 'setActiveIndex'
        ./CorsixTH/Lua/dialogs/place_objects.lua:238: in function 'addObjects'
        ./CorsixTH/Lua/dialogs/place_objects.lua:88: in function 'constructor'
        ./CorsixTH/Lua/class.lua:76: in function 'UIPlaceObjects'
        ./CorsixTH/Lua/dialogs/furnish_corridor.lua:181: in function 'callback'
        ./CorsixTH/Lua/window.lua:664: in function 'handleClick'
        ./CorsixTH/Lua/window.lua:1439: in function 'onMouseUp'
        ./CorsixTH/Lua/window.lua:1423: in function 'onMouseUp'
        ./CorsixTH/Lua/ui.lua:618: in function 'dispatch'
        ./CorsixTH/Lua/app.lua:761: in function <./CorsixTH/Lua/app.lua:756>