I have a problem with MIG

Warning: chdir(): Not a directory (errno 20) in /home/korneusz/www/western/mig/index.php on line 3011
FATAL ERROR: can not chdir() to $mig_GeeklogRoot!

and I don't know where are this files located, except style.css :
"Copy the files image.html, folder.html and style.css from the templates subdirectory to the new templates subdirectory.