Fatal error: Uncaught ArgumentCountError: Too few arguments to function add_category_to_single(), 1 passed in /home/opovoempe/www/wp-includes/class-wp-hook.php on line 288 and exactly 2 expected in /home/opovoempe/www/wp-content/themes/opovoempe/functions.php:67 Stack trace: #0 /home/opovoempe/www/wp-includes/class-wp-hook.php(288): add_category_to_single(Array) #1 /home/opovoempe/www/wp-includes/plugin.php(208): WP_Hook->apply_filters(Array, Array) #2 /home/opovoempe/www/wp-includes/post-template.php(798): apply_filters('body_class', Array, Array) #3 /home/opovoempe/www/wp-includes/post-template.php(561): get_body_class(Array) #4 /home/opovoempe/www/wp-content/themes/opovoempe/header.php(33): body_class() #5 /home/opovoempe/www/wp-includes/template.php(704): require_once('/home/opovoempe...') #6 /home/opovoempe/www/wp-includes/template.php(653): load_template('/home/opovoempe...', true) #7 /home/opovoempe/www/wp-includes/general-template.php(41): locate_template(Array, true) #8 /home/opovoempe/www/wp-content/themes/opovo in /home/opovoempe/www/wp-content/themes/opovoempe/functions.php on line 67