Fatal error: Uncaught Error: Call to undefined function feed_content_type() in /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/general-template.php:3133
Stack trace:
#0 /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/class-wp-hook.php(324): feed_links(Array)
#1 /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#2 /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#3 /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/general-template.php(3065): do_action('wp_head')
#4 /home/tghaviat/public_html/aircraft-instrument-services/wp-content/themes/twentyfifteen-child/header.php(29): wp_head()
#5 /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/template.php(810): require_once('/home/tghaviat/...')
#6 /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/template.php(745): load_template('/home/tghaviat/...', in /home/tghaviat/public_html/aircraft-instrument-services/wp-includes/general-template.php on line 3133