님이쓰시는 php버전을 확인해보세요.
버전이4.0.4 이상이면
에러나는부분(search_lin.inc 424줄부터)삭제하세요
/*
USE UNDER PHP4.0.4 SYSTEM ONLY...
*/
function array_sum($sumSource) {

        $limLoop = count($sumSource);

        for ($loopMan=0; $loopMan<$limLoop; $loopMan++) {
                $tmpSum += $sumSource[$loopMan];
        }

        return $tmpSum;

}