Fatal error: Uncaught Error: Call to undefined method theme_cache::is_single() in /www/wwwroot/xxcomic.com/wp-content/themes/mx/header.php:233
Stack trace:
#0 /www/wwwroot/xxcomic.com/wp-includes/template.php(688): require_once()
#1 /www/wwwroot/xxcomic.com/wp-includes/template.php(647): load_template('/www/wwwroot/xx...', true)
#2 /www/wwwroot/xxcomic.com/wp-includes/general-template.php(41): locate_template(Array, true)
#3 /www/wwwroot/xxcomic.com/wp-content/themes/mx/single.php(1): get_header()
#4 /www/wwwroot/xxcomic.com/wp-includes/template-loader.php(74): include('/www/wwwroot/xx...')
#5 /www/wwwroot/xxcomic.com/wp-blog-header.php(19): require_once('/www/wwwroot/xx...')
#6 /www/wwwroot/xxcomic.com/index.php(17): require('/www/wwwroot/xx...')
#7 {main}
thrown in /www/wwwroot/xxcomic.com/wp-content/themes/mx/header.php on line 233
