This error is given only when you violate one of the Terms of Use of PrimeLister. If you think you get this error as a result of a mistake, please get in touch with us by email at support@primelister.com and explain the situation that you are having.
"Account Blocked" error is usually given when a PrimeLister user tries to pair his account with a seller account on Poshmark or Mercari which had been paired with another PrimeLister account. Each seller account on Poshmark and Mercari can be paired with only one PrimeLister account, according to Terms of Use.