cant get invited in a party

[HANZOU]

hi,my pg name is gamberone.when i enter a kq i've never been invited i asked why, people told me im the one who refuse the invitation:but i did not refuse i didnt get the invitation whatsoever. so is my pg bugged or im missing something in my setting??(maybe is something stupid).
thanks and "ciao" from gamberone

[Trebori]

Go into the options( press "esc" key) and make sure you didn't turn off "group invite"