Welcome:). You may benefit from reading this announcement and the FAQs.
This error is usually a media/burner conflict, many times due to poor media. You may be able to work around this by upgrading to the latest version of Nero and the latest firmware for your 1633.
If those don't work, post the error log after removing your serial number from the top. Save as a .txt file and post using the 'manage attachments' button in the 'go advanced' reply window.