Installation of Theme

Everytime I try to upload this theme it tells me that CSS is not found.

It tells me it was installed successfully but then I get this code within wordpress Can anyone help

Warning: fopen(/homepages/15/d187551823/htdocs/keitermarketing/wpmu/wp-content/themes/wpmu-bp-daily-1.0/style.css) [function.fopen]: failed to open stream: No such file or directory in /homepages/15/d187551823/htdocs/keitermarketing/wpmu/wp-includes/functions.php on line 3717

Warning: fread(): supplied argument is not a valid stream resource in /homepages/15/d187551823/htdocs/keitermarketing/wpmu/wp-includes/functions.php on line 3720

Warning: fclose(): supplied argument is not a valid stream resource in /homepages/15/d187551823/htdocs/keitermarketing/wpmu/wp-includes/functions.php on line 3723