Here's an example of such a link: https://www.elitepvpers.com/theblackmarket/traderequest/1-1
When an user that is not logged in clicks a trade request link this "No permission" message is displayed:
Here's a screenshot of the message:Quote:
You don't have permission to access this page.

To make the message helpful to new forum users, I suggest changing it:
- Explain that trade requests can only be done by users that are logged in;
- Add a form to directly log in with username and password;
- Add links to register an account and reset the password.
For comparison here's the message displayed when you access the inbox without being logged in:







