digital download failing

Ever since the newest updates, cart 66 has been acting weird. When my digital downloads are bought, the download link is given on the receipt page. Instead of initiating the download, people get a failure page now with these errors:

Warning: filesize() [function.filesize]: stat failed for home/wp-content/cart66/digitalproducts/blackep.zip in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1264

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1269

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1270

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1271

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1272

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1273

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1274

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1275

Warning: Cannot modify header information - headers already sent by (output started at /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php:1264) in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1276

Warning: fopen(home/wp-content/cart66/digitalproducts/blackep.zip) [function.fopen]: failed to open stream: No such file or directory in /home/content/02/9767602/html/wp-content/plugins/cart66-lite/models/Cart66Common.php on line 1279

Anyone have any ideas?

http://wordpress.org/plugins/cart66-lite/