Settings are checked, “disable creating automatic manager sets” is unchecked.
What have I missed?
Especially since it´s working perfectly with one char.
I’m not sure what would stop it.
Are you using different/conflicting addons for the character in question?
You could try deleting the addon and settings for it, then re-installing and exporting from the site to “reset” it. (Although that might mess with your other char and you’ll have to re-export that one as well.)
Just throwing out some ideas to try.