Cannot modify header information - headers already sent

[kuppusaj]

Dear All,
i am getting the following messages and also images are not displaying on page which uploaded. 

Warning: S3::inputFile(): Unable to open input file: /var/chroot/home/content/38/11582838/html/bestbuygkart/oc-content/uploads/14_original.jpg in /home/content/38/11582838/html/bestbuygkart/oc-content/plugins/amazons3/S3.php on line 224

Warning: S3::inputFile(): Unable to open input file: /var/chroot/home/content/38/11582838/html/bestbuygkart/oc-content/uploads/14.jpg in /home/content/38/11582838/html/bestbuygkart/oc-content/plugins/amazons3/S3.php on line 224

Warning: S3::inputFile(): Unable to open input file: /var/chroot/home/content/38/11582838/html/bestbuygkart/oc-content/uploads/14_preview.jpg in /home/content/38/11582838/html/bestbuygkart/oc-content/plugins/amazons3/S3.php on line 224

Warning: S3::inputFile(): Unable to open input file: /var/chroot/home/content/38/11582838/html/bestbuygkart/oc-content/uploads/14_thumbnail.jpg in /home/content/38/11582838/html/bestbuygkart/oc-content/plugins/amazons3/S3.php on line 224

Warning: Cannot modify header information - headers already sent by (output started at /home/content/38/11582838/html/bestbuygkart/oc-includes/osclass/utils.php:1710) in /home/content/38/11582838/html/bestbuygkart/oc-includes/osclass/utils.php on line 1715

[design]

remove the blank line from the last files you modified

[frosticek]

@kuppusaj
I would also check if all folders & files on your hosting has correct CHMOD permissions and temporary & upload folders are writtable