Fatal error: Uncaught Error: Call to undefined function is_product() in /srv/users/serverpilot/apps/production/public/wp-content/themes/loops/functions.php:31 Stack trace: #0 /srv/users/serverpilot/apps/production/public/wp-includes/class-wp-hook.php(287): move_tab_position(Object(WP)) #1 /srv/users/serverpilot/apps/production/public/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #2 /srv/users/serverpilot/apps/production/public/wp-includes/plugin.php(544): WP_Hook->do_action(Array) #3 /srv/users/serverpilot/apps/production/public/wp-includes/class-wp.php(752): do_action_ref_array('wp', Array) #4 /srv/users/serverpilot/apps/production/public/wp-includes/functions.php(1274): WP->main('') #5 /srv/users/serverpilot/apps/production/public/wp-blog-header.php(16): wp() #6 /srv/users/serverpilot/apps/production/public/index.php(17): require('/srv/users/serv...') #7 {main} thrown in /srv/users/serverpilot/apps/production/public/wp-content/themes/loops/functions.php on line 31