Rainbow Six Vegas for PSP "internal error" Questions

how to fix an internal psp error I need the error code, what do you do to get the error?

it says an internal error has occurred when i tried to scan for the internet if you dont put on the wireless lan button it will keep giving you the error rate this

...you will be returned to main menu* why is this, and can you help me solve this problem? Thank you very much could be an internal error with your psp I would have that checked just for good ...