*2* ....what is your question?
*2* Maybe show some code? Ask a question? Anything?
*4* I guess the answer is... 42!
*0* As it stands, it is impossible to answer this question. At the very least, you should actually ask a question. Preferably post some code, too, including Palm class, the A class, and the class in which you are getting the error. I would suggest reading How do I ask a good question? and How to create a Minimal, Complete, Tested and Readable example.