Need help with account sync settings please!

I recently changed phones from the HTC Desire 510 to the HTC Desire 626, and am having trouble with the Accounts & Sync settings.
When I go to add account, there is no facebook option even though I have the app, am logged in on the app, and have sync enabled on the app.
However, what is there is the option to link my messenger app, but I'm having a problem with that too.
I have the messenger app linked with sync turned on, specifically I enabled contact sync in the app settings, but when I...

Need help with account sync settings please!

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