View file PF.Base/install/include/version/4.0.8.php
<?php
return function(Phpfox_Installer $Installer) {
$Installer->db->query('ALTER TABLE ' . Phpfox::getT('user') . ' CHANGE password password CHAR(150) NULL DEFAULT NULL');
};
<?php
return function(Phpfox_Installer $Installer) {
$Installer->db->query('ALTER TABLE ' . Phpfox::getT('user') . ' CHANGE password password CHAR(150) NULL DEFAULT NULL');
};