Yammer used for page comments in SharePoint Online, initially says "The feed you've requested does not exist"

Question

I am trying to use Yammer for a per-page comment platform. This seems to require placing a Yammer embed in each page and configuring the embed to use Open-Graph.
Why does the feed initially say "The feed you've requested does not exist." for every new page? The default should read "There are no messages
in this feed."
My embed code looks like this:
<div id="embedded-feed" style="height:400px;width:500px;"></div>
<script type="text/javascript" src="https://assets.yammer.com/assets/platform_embed.js"></script>
<script type="text/javascript"> yam.connect.embedFeed({
container: "#embedded-feed"
, network: "myyammernetwork.com"
, feedType: "open-graph"
, config: {
use_sso: false
, showOpenGraphPreview: false
, header: false
, footer: false
, promptText: "Comment on this page..."
, objectProperties: { url: window.location.href, type: "page" }
</script>
You can see at the following link, following the instructions, it results in "there are no messages in this feed."
https://support.office.com/en-us/article/Use-Yammer-Embed-instead-of-the-Yammer-app-for-SharePoint-2013-and-SharePoint-Online-812c752b-3586-4f67-accb-49cd3724dcc1?ui=en-US&rs=en-US&ad=US#CommentFeed

Answer 1

Hi,
which is your environment, SharePoint Server 2013 or SharePoint Online?
For Yammer Embed to work, your SharePoint environment must satisfy the following prerequisites: 
Your organization should have an active Yammer network (for example: www.yammer.com/contoso.com)
Your SharePoint farm admin should choose Yammer.com service as the default enterprise social collaboration   platform. Set this option in the SharePoint admin center for SharePoint Online and in SharePoint Central Administration for on-premises
SharePoint Server 2013.   Choose the yammer.com service and wait for 30 minutes before moving on to the next step.
For more information,please refer to the blog:
https://support.office.com/en-us/article/Embed-a-Yammer-feed-into-a-SharePoint-site-4817d2fa-50f6-4f25-88a0-a312745768d4
http://blogs.msdn.com/b/chhopkin/archive/2013/11/20/yammer-embed-and-sharepoint-2013.aspx
https://technet.microsoft.com/library/dn270535?f=255&MSPPError=-2147217396
Best Regards,
Eric
TechNet Community Support
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