Cookie helper not work ???

[eluser]Le Bang[/eluser]
when i run code

Code:

$this->load->helper('cookie');
        
        $cookie = array(
                   'name'   => 'The Cookie Name',
                   'value'  => 'The Value',
                   'expire' => '86500',
                   'domain' => '.some-domain.com',
                   'path'   => '/',
                   'prefix' => 'myprefix_',
               );

        set_cookie($cookie);

I have a error. (

A PHP Error was encountered

Severity: Warning

Message: Cookie names can not contain any of the folllowing '=,; \t\r\n\013\014' (myprefix_The Cookie Name)

Filename: helpers/cookie_helper.php

Line Number: 92