is it a question? I cant see a question mark.. 
if its a question, most probably the owner of ap sniffed your ATTACK and changed his security protocol to something more safe.. please, do NOT test any ap without owner permission, thanks 
is it a question? I cant see a question mark.. if its a question, most probably the owner of ap sniffed your ATTACK and changed his security protocol to something more safe.. please, do NOT test any ap without owner permission, thanks