Troubles with nero


my problem is that i can´t burn a double layer dvd with my nero.
cds and dvds (4,7 GB) works fine.
the burningprocess finish normaly but then i got a error.
i haven´t any idea, so i hope someone can help me!!

the nero log is in the attachment.

greets siddy

Maybe try a lower speed when burning this media. From the logfile you provided, it seems that you try to burn a DL media a 8x…