Lpc2000

Hi, I recently made the Jtag board from k9spud and I seem to have some 
problems with it.  I tested the parrallel port with debug and it 
works.  When I switch in Rowley Crosstudio and I try to connect the 
Wriggler I had a message box that say. 

Cannot Identify Target
Check JTAG connection


What do you think the problem is.

Thanks a lot.