Debug Error

The error code is:

• Error Code : [112] DATABASE_ERR_QUERY
• Error File   : /opt/webroot/jiadian/www/include/code/www/Fore/Sacre.classes.php : 75
• Error Msg  : 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 1
• Error Sql  : select signup_time,end_time,purpose,summary,active_topic from sacre_buy where id=