I am trying this module, but can't get it working.
As there is not any kind of documentation, I may be missing something:
- activated the module
- have several content types for OG groups
- configured in /admin/og/affiliations
for "GROUP TYPES WHICH CAN BE AFFILIATED TO xxx"
I set group type yyy
- when I edit an xxx group, I see a tab "Manage affiliations with yyy"
it correctly proposes the existing yyy groups and propose for each "Click to Create/Request Affiliation"

Doing so lead to the infamous
"Access denied
You are not authorized to access this page."

Thanks for help