Warning: session_start(): The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,' in แก้ไงครับ

function set_session_start() {
	
    $session_name = 'test';
    session_name($session_name);
    $secure = true;
    $httponly = true;
    if (ini_set('session.use_only_cookies', 1) === FALSE) {
        exit();
    }
    $cookieParams = session_get_cookie_params();
    session_set_cookie_params($cookieParams["lifetime"],
        $cookieParams["path"], 
        $cookieParams["domain"], 
        $secure,
        $httponly);
		
    session_start();
    session_regenerate_id(true);
}