Fatal error: Uncaught Error: Call to undefined function wpberita_is_amp() in /home/suax6371/public_html/wp-content/themes/wpberita/header.php:73 Stack trace: #0 /home/suax6371/public_html/wp-includes/template.php(810): require_once() #1 /home/suax6371/public_html/wp-includes/template.php(745): load_template('/home/suax6371/...', true, Array) #2 /home/suax6371/public_html/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #3 /home/suax6371/public_html/wp-content/themes/wpberita/single.php(15): get_header() #4 /home/suax6371/public_html/wp-includes/template-loader.php(106): include('/home/suax6371/...') #5 /home/suax6371/public_html/wp-blog-header.php(19): require_once('/home/suax6371/...') #6 /home/suax6371/public_html/index.php(17): require('/home/suax6371/...') #7 {main} thrown in /home/suax6371/public_html/wp-content/themes/wpberita/header.php on line 73