error on burning cd via brasero

[roberto]

Hello, i received the folowing error while burning a CD image:
BraseroLibburn SCSI error condition on command 2Ah WRITE(10): [3 0C
00] Write error
BraseroLibburn Closing
BraseroLibburn called brasero_job_set_dangerous
BraseroLibburn called brasero_job_set_current_action
BraseroLibburn Libburn reported an error SCSI error on
write(16976,16): [3 0C 00] Write error
BraseroLibburn called brasero_job_error
BraseroLibburn finished with an error
BraseroLibburn asked to stop because of an error
	error		= 1
	message	= "SCSI error on write(16976,16): [3 0C 00] Write error"
BraseroLibburn stopping
Session error : SCSI error on write(16976,16): [3 0C 00] Write error
(brasero_burn_record brasero-burn.c:2862)

i could not do anything after that, the operation failed ...

do you have any ideas ?
thank you !

-- 
roberto