HARDWARE ERROR SERVO TRACKING ERROR (4:0X09X01)

[ATHERTON]

COULD SOME ONE TELL ME WHAT THIS MEANS IVE BEEN USING CLONE UNTILL A FEW DAYS AGO NOW EVERY TIME I TRY AND BURN
I GET THIS MESSAGE
I HAVE A LITE ON LTR 12101B IT IS ONLY 3 MONTHS OLD
IVE FORMATED 3 TIMES
USED SEVERAL DIFFERNET VERSIONS OF CLONE CD
BUT STILL KEEPS COMING UP WITH THIS MESSAGE
IT IS ALRIGHT ON NERO CDRWIN WIN ON CD 3.8 POWER ED
AS I HAVE TRIED ALL THESE