Blu -rays read fine, but when trying to write I get these errors

[nrgldd3]

write strategy at sector 1216
Write error at 1200 (16) - Code 05 21 02 [Illegal request, Invalid address for Write]
WRITE FAILED: Can't find write strategy at sector 960 Write error at 944 (16) - Code 05 21 02 [Illegal request, Invalid address for Write WRITE FAILED: Can't find write strategy at sector 1152 Write error at 1136 (16) - Code 05 21 02 [Illegal request, Invalid address for Write

[CBR929]

Hi nrgldd3
Post your logs The default location is:
C:\Documents and Settings\User Name\My Documents\DVDFab\Log.
Please just copy and paste the burn log(s) and post right here.
CBR929