Cingular 6800 Dct4 Generator No Work???!! Please Help

[chino0420]

I Have A Cingular Locked Nokia 6800 And I Tried To Use The Dct4 Generator And It Didn't Work. Said Code Cannot Be Unrestricted...what Does This Mean? Can Someone Help Please?
Imei: 010175000169100

Any Help Would Be Appreciated. Thanks Jeremy :-? :)