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how to fixed it?

site link

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"A full description of the failure is available in the web server's log file."

So, what does that log file say?
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error log file says, qa-db.php line 227
Subquery returns more than 1 row - Query: SELECT 1+COUNT(*) AS `rank` FROM qa_userpoints WHERE points>COALESCE((SELECT points FROM qa_userpoints WHERE userid=(SELECT userid FROM qa_users WHERE handle='idname' LIMIT 1)), 0)

now what can i do? remember that all profile not same problem. maximum work well.
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Run the query directly on the database and check what results are returned. Also run each the subqueries by themselves and check the results of those as well.
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hey..... thank you for your feedback. i found a solution.
Now the problem become solved

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