Hello everybody

I found the following solution for a similar question I have: 

Is it possible to assign a moderator to a specific forum? I would prefer if a moderator for one forum couldn't also moderate another forum.

However, this is a 3-year-old solution and somehow it doesn't work:

Create a new moderator user group with Editor user role and default standard access. Name this new moderator group appropriately, eg Moderator-Forum1 to better remember the intended role.

Edit the user profile of the member you wish to have this role to be in the Moderator-Forum1 user group.

Next go to the Forums dashboard and edit the permissions for Forum 1, change the permission for the Moderator-Forum1 user group to "Moderator".

I created 3 Moderator (AModerator, BModerator.CModerator)usernames with the Editor user role and default standard access.

When I tried to sync all user groups I received the following message: 

"One User Role cannot be synched with multiple Usergroups!" Please check the attached pic. 

What am I doing wrong?

Thank you