Framemaker 12 Unstructured mode crashes when trying to print a Book

I am running FrameMaker 12 in Unstructured mode.

When I try to print a book (Unstructured) to a Postscript file, FrameMaker 12 crashes.

I can print a individual FrameMaker document (Unstructured) with no problems.

This behaves like the same FrameMaker 11 (Unstructured mode) printing problem that was fixed by patch 11.0.1.

Any ideas?

Will there be a patch to fix this problem in FrameMaker 12?