I am trying to integrate revmob ads in my android application and i am getting this error. 
Windows simulator build date: Aug 28 2013 @ 17:45:55 Copyright (C) 2009-2013 C o r o n a L a b s I n c . Version: 2.0.0 Build: 2013.1202 Round Runtime error ...\remember the superheroes\source code rts\revmob.lua:387: attempt to call fie ld 'request' (a nil value) stack traceback: [C]: in function 'request' ...\remember the superheroes\source code rts\revmob.lua:387: in function 'i' ...\rememb