: Uncaught Error: Cannot use object of type WP_Error as array in /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-content/themes/souzokuzei_parent/functions.php:622
Stack trace:
#0 /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-includes/class-wp-hook.php(294): add_page_root_body_class(Array)
#1 /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-includes/plugin.php(212): WP_Hook->apply_filters(Array, Array)
#2 /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-includes/post-template.php(836): apply_filters('body_class', Array, Array)
#3 /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-includes/post-template.php(595): get_body_class(Array)
#4 /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-content/themes/souzokuzei_parent/header.php(59): body_class()
#5 /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-includes/template.php(730): require_once('/home/kokoro019...')
#6 /home/kokoro019/tokyo-zeirishi.com/pub in /home/kokoro019/tokyo-zeirishi.com/public_html/www.souzoku/wp/wp-content/themes/souzokuzei_parent/functions.php on line 622