mysql 접속중 오류가 발생했습니다. SQLSTATE[HY000] [2002] 대상 컴퓨터에서 연결을 거부했으므로 연결하지 못했습니다
Warning: Undefined variable $pdo in E:\xampp\htdocs\site\root\saepusan_net\egb_setting\egb_function\022-GetMeta.php on line 116

Fatal error: Uncaught Error: Call to a member function setAttribute() on null in E:\xampp\htdocs\site\root\saepusan_net\egb_setting\egb_function\042-egb_sql.php:22 Stack trace: #0 E:\xampp\htdocs\site\root\saepusan_net\egb_themes\eungabi\page\main.php(6): egb_sql(Array) #1 E:\xampp\htdocs\site\root\saepusan_net\egb_themes\eungabi\page\main.php(94): get_recent_board_posts4('class') #2 E:\xampp\htdocs\site\root\saepusan_net\egb_setting\egb_function\052-egb_theme_index.php(42): require_once('E:\\xampp\\htdocs...') #3 E:\xampp\htdocs\site\root\saepusan_net\egb_themes\eungabi\index.php(6): egb_theme_index(Array, Array) #4 E:\xampp\htdocs\site\root\saepusan_net\egb_setting\egb_function\003-egb_load.php(9): require_once('E:\\xampp\\htdocs...') #5 E:\xampp\htdocs\site\root\saepusan_net\egb_setting\egb_function\000-egb_route.php(13): egb_load('\\egb_themes\\eun...') #6 E:\xampp\htdocs\site\root\saepusan_net\egb_setting\egb_function\002-egb_site_check.php(28): egb_route() #7 E:\xampp\htdocs\site\root\saepusan_net\index.php(105): egb_site_check() #8 {main} thrown in E:\xampp\htdocs\site\root\saepusan_net\egb_setting\egb_function\042-egb_sql.php on line 22