hi there im trying to run a script that performs some actions in Adobe
Photoshop and each time i run it i get the following error message

Error 2: self is undefined
Line:48
-> if(typeof(self.ywzXinited)=="undefined"){

i have no idea at all about scripting java i just want to run this script,
is anybody able to let me know what the problem is please.
If needed i can post the complete script.

many thanks