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Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' , ) ON DUPLICATE KEY UPDATE best_score = GREATEST(best_score, )' at line 2 in /home/eduflix1/public_html/civilprocidure/api/save_score.php:14 Stack trace: #0 /home/eduflix1/public_html/civilprocidure/api/save_score.php(14): mysqli->query('INSERT INTO use...') #1 {main} thrown in /home/eduflix1/public_html/civilprocidure/api/save_score.php on line 14