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Warning: mysqli_connect(): (HY000/2006): MySQL server has gone away in /volume2/web/iteach4u/htdocs/2014/_lib/dbConfig.php on line 6

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Error: SQLSTATE[HY000] [2006] MySQL server has gone away<script>alert("자료실은 회원전용입니다. 로그인을 하세요.");</script><script>parent.location.replace('/2014/member/');</script>