Deprecated: base64_decode(): Passing null to parameter #1 ($string) of type string is deprecated in D:\Server\ProjectJI\Data\DataEncoder.php on line 15

Deprecated: mysqli_real_escape_string(): Passing null to parameter #2 ($string) of type string is deprecated in D:\Server\ProjectJI\GameDB\RankInfo\RankInfo.php on line 12

Deprecated: mysqli_real_escape_string(): Passing null to parameter #2 ($string) of type string is deprecated in D:\Server\ProjectJI\GameDB\RankInfo\RankInfo.php on line 23

Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE playerId = ) AS isSuccess' at line 1 in D:\Server\ProjectJI\DBUtils\DBConnector.php:127 Stack trace: #0 D:\Server\ProjectJI\DBUtils\DBConnector.php(127): mysqli_query(Object(mysqli), 'SELECT EXISTS (...') #1 D:\Server\ProjectJI\DBUtils\DBConnector.php(118): DBConnector->QuerySQL('SELECT EXISTS (...') #2 D:\Server\ProjectJI\GameDB\RankInfo\RankInfo.php(60): DBConnector->IsExistRow('', 'WHERE playerId ...') #3 D:\Server\ProjectJI\GameDB\RankInfo\RankInfo.php(24): RankInfo->IsContainsRow('') #4 D:\Server\ProjectJI\GameDB\RankInfo\GetMyRank.php(12): RankInfo->GetRow('') #5 {main} thrown in D:\Server\ProjectJI\DBUtils\DBConnector.php on line 127