I've tried to add a user before for time tracking, but they never got the invite. Now they aren't showing up in "Manage users" but I get an error trying to add them new.

When I try to add the new user, I get an error message showing that they need to accept the invite. But, as they don't show in my list of users, I can't see to find a way to resend the invite or delete them and add them anew.