comic_files) == 0) { ?>
It looks like this is a new ComicPress install. You should test to make sure uploading works correctly by visiting ComicPress -> Upload.
has_comic_file) { ?>

link) ?>

get_subcomic_directory() !== false) { printf(__("Comic files will be uploaded to the %s comic subdirectory.", 'comicpress-manager'), get_cat_name(get_option('comicpress-manager-manage-subcomic'))); } ?> thumbnails_found) > 0) { ?>

thumbnails_found as $type => $file) { ?>

get_cpm_option("cpm-edit-post-integrate") == 1) { ?>

ComicPress Manager Edit Post file management is enabled. Any changes to post date, or deleting this post, will affect any associated comic files.

NOTE: Upload errors will not be reported. If you are having trouble uploading files, use the ComicPress -> Upload screen.