게슈탈트의 UI 디자인 원칙
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /hosting/yeonseo/html/skin/board/basic/list.skin.php:167 Stack trace: #0 /hosting/yeonseo/html/bbs/list.php(269): include_once() #1 /hosting/yeonseo/html/bbs/board.php(231): include_once('...') #2 {main} thrown in /hosting/yeonseo/html/skin/board/basic/list.skin.php on line 167