This fixes it for me, I had the same trouble:
  1. Last line fixed as above
  2. 3rd line fixed in red


Code:
$sql = "SELECT e.*, et.*
        FROM  " . TABLE_EZPAGES . " e, " . TABLE_EZPAGES_TEXT . " et
        WHERE e.pages_id = '" . (int)$ezpage_id . "'
        AND et.languages_id = '" . (int)$_SESSION['languages_id'] . "'
        AND e.pages_id = et.pages_id";