Is anyone having problems with NERO and NEC 1300A writing to CD-R/W's?

NERO keeps saying "This disc is not writable", I have tried everything.
I'm using Sony CD-Rs, I know they work with Clone CD but NERO refuses to write.

I have latest version 6.0.0.19. No problems with DVD writing.

My recorder has latest firmware 1.08

Any help/ideas appreciated