Theme Upload Error Message

Hello: I uploaded a new theme and am receiving these error messages an dhoping someone can help me figure out the problem:

Warning: fopen(/home/randit/public_html/dotbizsite.com/wp-content/themes/download/style.css) [function.fopen]: failed to open stream: No such file or directory in /home/randit/public_html/dotbizsite.com/wp-includes/functions.php on line 4339

Warning: fread(): supplied argument is not a valid stream resource in /home/randit/public_html/dotbizsite.com/wp-includes/functions.php on line 4342

Warning: fclose(): supplied argument is not a valid stream resource in /home/randit/public_html/dotbizsite.com/wp-includes/functions.php on line 4345