[Help] start Arena server error

hi all, sv 3.5
when you start the server arena I have an error:

Code:

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[ERROR] CLogGlobal::LoadConfiguration error !! DBServerDatabaseName,        DBServerDatabaseName        $Arena_DB_SERVER_NAME

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m_pAtumLogDBManager initialize fail
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LogServer IOCPInit Error

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how do I fix?
thanks in advance

Use your brain..........its obvious......