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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 '?' at line 9

SELECT *, SUM(correct) as correct, SUM(incorrect) as incorrect, (SUM(correct)*6+SUM(incorrect)) AS score, (SUM(correct)+SUM(incorrect)) AS total FROM `scores` WHERE pid = ?

Filename: /var/www/vhosts/binglecomps.com.au/httpdocs/models/scores.php

Line Number: 90