Discuz! Database Error

The database has encountered a problem. Need Help?

Error messages:

[Type] 查詢語句錯誤 [1062] Duplicate entry '3.139.236.174' for key 'PRIMARY' [Query] INSERT INTO extra_statistics_ip SET `ip`='3.139.236.174',`data`='a:1:{i:0;a:2:{s:1:"f";s:3:"869";s:1:"t";i:1740200594;}}',`total`='1'

Program messages:

[Line: 0080]forum.php(require) [Line: 0799]source/module/forum/forum_viewthread.php(DB::insert) [Line: 0794]source/class/class_core.php(DB::query)

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