Why is the Gmail applet not working?

Question

gmail

When trying to add the [email protected] applet, an
error appears: "There was a problem loading this element and it was disabled"
Glass.log log:
error t=2017-03-02T00:09:41.380Z missing ; before statement
trace t=2017-03-02T00:09:41.380Z
<----------------
@/home/kotov666/.local/share/cinnamon/applets/[email protected] /applet.js:11
[email protected]/usr/share/cinnamon/js/ui/extension.js:155
[email protected]/usr/share/cinnamon/js/ui/extension.js:116
[email protected]/usr /share/cinnamon/js/ui/extension.js:449
[email protected]/usr/share/cinnamon/js/ui/appletManager.js:235
---------------->
error t=2017-03-02T00:09:41.380Z [Applet "[email protected]"]: Error importing applet.js from [email protected]
error t=2017-03-02T00:09:41.380Z Could not load applet [email protected] denisigo
info t=2017-03-02T00:09:41.460Z Adding systray: blueberry-tray.py (24x24px)
info t=2017-03-02T00:09:41.461Z Hiding systray: amarok
info t=2017-03-02T00 :09:41.461Z Hiding systray: network
info t=2017-03-02T00:09:41.477Z Adding systray: thunderbird (24x24px)
info t=2017-03-02T00:09:41.495Z Adding systray: deluge (24x24px)
info t=2017-03-02T00:09:41.508Z Adding systray: nvidia-prime (24x24px)
info t=2017-03-02T00:09:41.521Z Adding systray: viberpc (24x24px)
info t=2017-03-02T00: 09:41.522Z Hiding systray: rhythmbox
info t=2017-03-02T00:09:41.544Z Adding systray: blueberry-tray.py (24x24px)
info t=2017-03-02T00:09:41.545Z Hiding systray: amarok
info t=2017-03-02T00: 09:41.545Z Hiding systray: network
info t=2017-03-02T00:09:41.562Z Adding systray: thunderbird (24x24px)
info t=2017-03-02T00:09:41.590Z Adding systray: deluge (24x24px)
info t =2017-03-02T00:09:41.603Z Adding systray: nvidia-prime (24x24px)
info t=2017-03-02T00:09:41.617Z Adding systray: viberpc (24x24px)
info t=2017-03-02T00:09 :41.619Z Hiding systray: rhythmbox
How can I figure out what exactly is wrong?