Facebook channel not working

Technical assistance
#1

Infos:

  • Used Zammad version: 3.5.0
  • Used Zammad installation source: (source, package, …) DEB
  • Operating system: Ubuntu 20.04
  • Browser + version: Chrome 86

Expected behavior:

  • successful setup of Facebook channel

Actual behavior:

  • invalid scopes error reported by Facebook and then 500 error by Zammad

Steps to reproduce the behavior:

  • set up a v8.0 API app in Facebook and then link the app to Zammad. It will fail as Zammad does not seem to support the new scopes that were introduced in v7 in Graph API. No workaround seems to be possible at the Facebook end since downgrading the API version in Facebook seems to be not possible. What are the possibilities to make the Facebook channel work in Zammad?
#2

From version 7 it is not compatible.

#3

Thanks. So this means Zammad cannot be used with Facebook until this ticket is resolved or unless you have an app previous created with a lower version of the API.

#4

Unfortunately, it is not possible to downgrade version

#5

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