FreePBX Dashboard Error

Wondering if someone can help here. This seems to be an intermittent issue but when I browse to my FreePBX the dashboard will be “missing” and I will get this error:
Undefined variable: service File:/var/www/html/admin/modules/ucpnode/Ucpnode.class.php:302

If I look at my web console it reports this:

https://MYSYSTEM.com/admin/ajax.php?command=getcontent&module=dashboard&rawname=Overview&section=overview 500 (Internal Server Error)

jquery-1.11.3.min.js?load_version=13.0.190.19:5 GET

If I hit refresh it ends up going away and displaying the dashboard correctly. Should I be concerned about this?

FreePBX 13.0.190.19

fwconsole chown appears to have fixed this for me.