When customers are added to "request participants" field one by one they receive an email and are able to access the issue but when the customers are added as a single organization to the field organizations they still receive the email but when visiting the issue they get No Access You do not have permission to view this request.
Community moderators have prevented the ability to post new answers.
I think there might be a couple things to check
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.