The following WikiTree Help link lists the various types of assistance regarding the WikiTree Account Help...
If necessary, the following is basically a very brief overview for reaching out to WikiTree Support for login issues.
Since your email address and other personal information connected to your WikiTree profile is private, there are very few people here who are able to directly assist you with this.
Just emial the WikiTree Support folks at Info@WikiTree.com and explain the issue. You should add a brief/general information that only you would know so they will know that it's definitely you.
I hope I was able to explain this okay via text... :-)