Fatal error: Uncaught Error: Call to undefined function yat_catalog() in /var/www/wp-content/themes/windpro-yat/pages/services/pod/appendix.php:19 Stack trace: #0 /var/www/wp-content/themes/windpro-yat/pages/services/pod/pod.php(39): include_once() #1 /var/www/wp-content/themes/windpro-yat/functions/hooks-pages.php(16): include_once('/var/www/wp-con...') #2 /var/www/wp-includes/class-wp-hook.php(324): yat_pages('') #3 /var/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #4 /var/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /var/www/wp-content/themes/windpro/pages/landing.php(6): do_action('wp_pages') #6 /var/www/wp-includes/template-loader.php(106): include('/var/www/wp-con...') #7 /var/www/wp-blog-header.php(19): require_once('/var/www/wp-inc...') #8 /var/www/index.php(17): require('/var/www/wp-blo...') #9 {main} thrown in /var/www/wp-content/themes/windpro-yat/pages/services/pod/appendix.php on line 19