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I'm having this error

So guys , I started my new Virtual airline a few days ago , snd i'm trying to put a acars system . I'm using the kacars , I put my module in my FTP but when I put my VA Profile , my url , and my password but when I try to connect , it said connection error Some informations of my VA url: voeairbrvirtual.cf My ID: ABV0001 my password is confidential I don't know what to do pls help me F D: