error when submit "perl ~/xSwipe-master/xSwipe.pl"

[GoldernRetriever]

There's an error when I perl ~/xSwipe-master/xSwipe.pl that

Can't access shared memory area. SHMConfig disabled?

[GoldernRetriever]

This is my order perl ~/xSwipe-master/xSwipe.pl that

this is the error information

smartmatch is experimental at /home/leong/xSwipe-master/xSwipe.pl line 121.

init_synclient

@area_setting: [`

' LeftEdge = 1666

',

' RightEdge = 5360

',

' TopEdge = 1532

',

' BottomEdge = 4408

'

]

$touchpad_size_h: 2876

$touchpad_size_w: 3694

$x_min_thredshould: '369.4'

$y_min_thredshould: '287.6'

$inner_edge_left: '1789.13333333333'

$inner_edge_right: '5236.86666666667'

$inner_edge_top: '1819.6'

$inner_edge_bottom: '4120.4'

$session_name: 'ubuntu'

\Can't access shared memory area. SHMConfig disabled?

init

My computer is Dell Inspiron 5447 and I'm using Ubuntu 14.04 LTS. Please let me know if you need more information.