Try the following steps:
1. Go to WP Admin > Appearance > Theme Editor. Make sure that Graphene is selected as the theme to be edited.
2. In the files selection on the right hand panel, click on the inc
folder to expand it. Then click on the file loop.php
.
3. In the code editor, scroll to line 1256. Replace that line from the original:
if ( $post || $post_id ) {
to this:
if ( is_singular() && ( $post || $post_id ) ) {