Error in SQL (Sessions):

SELECT * FROM Sessions WHERE Unit='2010' AND Type='X' ORDER BY SessionNo;

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#0 DB_Execute(SELECT * FROM Sessions WHERE Unit='2010' AND Type='X' ORDER BY SessionNo;, Sessions) called at [/home/www/html/resources/CPHA/Conf/Code/PresentationsOther.php:57] #1 Process(X, Séances préparatoires et petits déjeuners-réunions) called at [/home/www/html/resources/CPHA/Conf/Code/PresentationsOther.php:231]