Fatal error: Uncaught exception 'Zend_Db_Statement_Odbc_Exception' with message '[unixODBC][IBM][System i Access ODBC Driver][DB2 for i5/OS]SQL0407 - Null values not allowed in column or variable UTENTE.' in /www/php-includes/Zend/Db/Statement/Odbc.php:208 Stack trace: #0 /usr/local/zend/var/libraries/Zend_Framework_1/1.12.7/library/Zend/Db/Statement/Odbc/As400.php(97): Zend_Db_Statement_Odbc->_execute(Array) #1 /usr/local/zend/var/libraries/Zend_Framework_1/1.12.7/library/Zend/Db/Statement.php(323): Zend_Db_Statement_Odbc_As400->_execute(Array) #2 /usr/local/zend/var/libraries/Zend_Framework_1/1.12.7/library/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute(Array) #3 /www/track/tracking3/classes/user.class.php(526): Zend_Db_Adapter_Abstract->query('insert into fer...', Array) #4 /www/track/tracking3/classes/user.class.php(416): user->updateAs400MailAddress() #5 /www/track/tracking3/classes/std_template.class.php(68): user->set_get_posts() #6 /www/track/tracking3/classes/user.class.php(223): std_template->__co in /www/php-includes/Zend/Db/Statement/Odbc.php on line 208