Hello guys, I'm making a convertion from the openni to ROS and I'm getting the following errors. could you guys please, help me?

http://imgur.com/BpWR8lQ

Here it is the code (Not completely converted yet, if you guys could give me some tips about converting and what is missing, because the tutorials are pretty scarce, any help is welcome):

http://pastebin.com/iEQU3qu7