DVDSP: Chapter Markers & GOP boundaries

[Peel]

I'm trying to burn a video to DVD using DVDSP. When I simulate it everything's fine, all my chapter markers work, my menus work, etc. But when I click burn I get the following message:
"Final Sequence-Product Runway-MPEG-2 6.2Mbps 2-pass, Chapter 2: Marker position in movie not at GOP boundary" "Build Cancelled"

I've never run across this error before. I've edited the movie in FCP 6, and placed all my chapter markers there, then used Compressor with "DVD: Best Quality 90 minutes" as my output settings. Shouldn't either FCP or Compressor automatically place a GOP boundary at my chapter marker? Is there a way to manually force this if it isn't doing so?

 

[Peel]

Fixed!

Well, I fixed my own problem. I forgot that I had reinstalled DVDSP last week, and in doing so the preferences checkbox "fix markers on build" had been turned off. Immediately after checking this box, I was able to burn the DVD without running through another compressor session.