mobile

Hi guys, I use tapatalk linked with my Facebook account and this morning I discovered that the app unexpectedly created a username on XDA named Name_Surname (corresponding to the Facebook credentials). Now I really don't know how this happened.. this account has just one post I can't delete.. Is there any mod willing to help me delete this account? I obviously can't access it from the web because Tapatalk automatically created it.. thanks a lot :)