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 [email protected]…Thank You

Sorry,I Tried Again And It Works…Thank You