Strange enough that you actually look at the resource info and not at the error from the process. But let's see:

  The drive is not write protected - it could just be not write enabled (i.e. Read Only).

  Consequently, the message must come from the media.

  Could it be that you just did not toggle the write protect notch when you inserted it?

  As the jukebox can not detect it, the drive will just do this when you want to write/label the media.

If you try to run the process from the command line (with added verbosity), you will most likely get more/better info.

Thanks for your response.

However it isnt a physical library its a VTL ,but i guess the poblem has been resolved.

Thanks again