Fatal error: Uncaught Error: Call to undefined method PostService::getPostsByCategory() in /home/athlete-vision/www/no-two.jp/public/wp-content/themes/no_two/category.php:9 Stack trace: #0 /home/athlete-vision/www/no-two.jp/public/wp-includes/template-loader.php(106): include() #1 /home/athlete-vision/www/no-two.jp/public/wp-blog-header.php(19): require_once('/home/athlete-v...') #2 /home/athlete-vision/www/no-two.jp/public/index.php(17): require('/home/athlete-v...') #3 {main} thrown in /home/athlete-vision/www/no-two.jp/public/wp-content/themes/no_two/category.php on line 9