Here I am again talking to you about something so basic and easy to do! Checking your requests.
Over there, top right of your profile page. Click on the drop-down menu, "MyWikiTree", then scroll down to the word Requests.
I know. These go to your email and you see them and can take action immediately. I am constantly amazed by how often I have missed an email from someone and need to do something.
Check it out, you never know.