Hello,
I'm taking the liberty of commenting on this post.
I have the same problem:
when trying to open the service, I get the error message mentioned above.
I'm on version 1.8.1,
and waptself.ini is created and editable.

I have the impression that the problem is intermittent, because it worked last week with...

Thank you, you found it!
I had created a group called Waptserfservice...
renaming it works perfectly!

Thank you so much for your help!
Emmanuel

Thanks Denis,
I'm not an admin on my computer, so I assume my agent is still the community version... how can I verify this?

Thanks in advance,
Best regards,
Emmanuel

Hello
, I'm contacting you because I'm having trouble setting up the self-service feature on a WAPT 1.8.1 enterprise server.
In Active Directory, I created a group,
added some users,
and created the package and self-service instance, respecting the group name as mentioned in the documentation...