LispForum

@ all: Thanks for your inputs...I finally managed to get read of all the bugs (which were giving the error mentioned in my original post)..As Ramaren pointed out the error was due to wrong type of argument being passed to the functions. But guys I still need help regarding getting a debugger facilit...

@nuntius: Forgot to add..yeah it's the first google hit when one types Poderosa.

Is "Poderosa" a mswin terminal emulator? [first google hit] Which CL implementation and editor are you using? The two main commercial implementations [see http://common-lisp.net/~dlw/LispSurvey.html] have free personal editions with a built-in IDE. Most people using a free CL use the Slim...

@Ramarren: Thanks for the reply.. I'm using Poderosa...could you tell me how can I use debugging facility there??

While trying to run my program I'm coming across the following error: Type-error in KERNEL::OBJECT-NOT-TYPE-ERROR-HANDLER: (1 2 3 4 5 6 7 8 0) is not of type NUMBER [Condition of type TYPE-ERROR] The program I'm trying involves implementation of DFS to 8puzzle. The list (1 2 3 4 5 6 7 8 0) is a samp...