Domain is already assigned and in use.2

Hi Infinity,
Today I Created A Domain On Freenom And Tried To Host On You.So,I Click On Addon Domains And Entered My Domain .ml And Then Click On Add Domain A Next Page Appears Saying ".ml is already assigned and in use.2"…What That Mean I Created A New Domain And Its Says Already Assigned I Also Tried To Download Wordpress Using Softaculous But The Option “Choose Domain” Was Blank…Plz Help Me…If Someone Can Help me Plz Email Me At…Thank You

Sorry,I Tried Again And It Works…Thank You