CI 2.0.3 cart class cannot insert name contains '+' , '( )'

[eluser]Jimmy Leonardo[/eluser]
hai, i got some error with CI 2.0.3 class for text contains word + or ( )

example:
$cart = array('id' => 'testing',
'name' => 'test + test2', //<- error here, the data not insert to cart because this word contains +
'price' => 10000,
'qty' => '1'
);