Warning: require_once(../core/DBClass.php): failed to open stream: No such file or directory in R:\htdocs\linebot\runs_my\LinebotLog.php on line 7

Fatal error: require_once(): Failed opening required '../core/DBClass.php' (include_path='C:\AppServ\xampp\php\PEAR') in R:\htdocs\linebot\runs_my\LinebotLog.php on line 7