exception 'MACO_DB_Exception' with message '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 ''NULL' at line 1' in /data/www/framework/maco/db/adapter/mysql.php:166<br />
<br />
#0 /data/www/dnnovel.com/www/myapp/model/book.php(120): MACO_Db_Adapter_Mysql-&gt;execute('SELECT book_id,...', Array)<br />
#1 /data/www/dnnovel.com/www/myapp/controller/authorview.php(12): Model_Book-&gt;authorBook('????')<br />
#2 /data/www/framework/maco/dispatcher/simple.php(207): Controller_AuthorView-&gt;actionIndex()<br />
#3 /data/www/framework/maco/dispatcher/auth.php(110): MACO_Dispatcher_Simple-&gt;_executeAction('authorview', 'index', 'Controller_auth...')<br />
#4 /data/www/framework/maco/maco.php(1103): MACO_Dispatcher_Auth-&gt;dispatching()<br />
#5 /data/www/dnnovel.com/www/webroot/index.php(53): MACO::runMVC()<br />
#6 {main}