Porblems creating RW discs in K3B

[Andrew Konosky]

I recently upgraded from a 24/10/40 Plextor CD-RW to an Optorite 12x 
DVD+/-RW, and I have also upgraded to newer versions of K3B as well. I 
don't know if this is a change in K3B or a difference in the burners, 
but here it goes:

With my old burner I was able to create mutlisession CD-RW's and add 
data to them without having to ersase them & start over every time. Now, 
when I try to burn either a DVD+RW or a CD-RW, I am unable to add files 
to the disc after I burn it the first time. I have been trying to add 
files to a CD-RW for half an hour now, and I can't get it to work. The 
disc had some files on it, and I imported the previous session, added 
the new files, and then made sure "continue multisession" was checked 
before I started burning. I kept getting errors saying the disc was not 
writeable, so I thought maybe I had forgot to enable mutlisession when I 
burned the first session. I did a complete erase of the disc, added all 
the files in a new project, and selected "start multisession." When the 
disc was finished burning, K3B reported a success, but KDE was unable to 
read the disc due to a bad superblock, so the burn didn't work. I tried 
a few more times, manually setting speed and TAO mode, but it doesn't work.

I just burnt the CD in "no multisession" and K3B reads it fine, but now 
I am unable to add files to it later. The same happens with DVD+RW. I 
know I have room on my backup DVDs to add files, but I can't get it to 
do what I want.

What are the correct settings for making multisession CD-RWs and DVD+RWs 
in K3B? I hope that I am just doing something stupid and that my burner 
isnt defective.