Page Error when adding tracking code

I am receiving an error when trying to add tracking code.

Here are the details.

Webpage is up and running as expected.

Error Specifics
Date: 08/24/2015 @ 11:01:10
Proxy ID: CBPCAMSSC02IB
Conn Type: Explicit
Error ID: tcp_error
Summary: Network Error
Details: A communication error occurred: “”
Help: The Web Server may be down, too busy, or experiencing other problems preventing it from responding to requests. You may wish to try again at a later time.
Last Error:
Dest IP: 172.29.133.41
Method: POST
URL: http://www.hearsay.ca/wp-admin/options-general.php?page=tracking-code-manager&tab=editor
HTTP Code: 503
Reason: Request could not be handled
Category: Health
Redirect:

https://ww.wp.xz.cn/plugins/tracking-code-manager/