Fatal error: Uncaught Error: Call to a member function get_author_permastruct() on null in /home/mentalin/public_html/wp-includes/author-template.php:337 Stack trace: #0 /home/mentalin/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase2.php(2657): get_author_posts_url('0') #1 /home/mentalin/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase2.php(2697): wpsc_delete_post_archives(Object(WP_Post)) #2 /home/mentalin/public_html/wp-includes/class-wp-hook.php(286): wpsc_post_transition('publish', 'new', Object(WP_Post)) #3 /home/mentalin/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #4 /home/mentalin/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #5 /home/mentalin/public_html/wp-includes/post.php(4095): do_action('transition_post...', 'publish', 'new', Object(WP_Post)) #6 /home/mentalin/public_html/wp-includes/post.php(3555): wp_transition_post_status('publish', 'new', Object(WP_Post)) #7 /home/mentalin/public_html/wp-content/plugins/popup-builder/com in /home/mentalin/public_html/wp-includes/author-template.php on line 337