Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/xs203882/yaoyoro.jp/public_html/blog_user_list.php:122 Stack trace: #0 /home/xs203882/yaoyoro.jp/public_html/blog_user_list.php(122): mysqli_num_rows(false) #1 {main} thrown in /home/xs203882/yaoyoro.jp/public_html/blog_user_list.php on line 122