# update using the dbh handle
        my ($query, @bind) = $sqla->update(
            'mytable',
            { field2 => $field2_new2 },
            { field2 => $field2_new1 },
        );
        $dbh->do($query, undef, @bind);

##</code><code>##

Can't call method "do" on an undefined value at C:/Users/user/eclipse-workspace/myproject/example.pl line 73, <__ANONIO__> line 3.