=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Installing for gnuchess-book-medium-20000511nb4
=> Generating pre-install file lists
=> Creating installation directories
/usr/bin/install -c -o pbulk -g users -m 644 /var/pkgsrc/work/games/gnuchess-book-medium/work/book.dat /var/pkgsrc/work/games/gnuchess-book-medium/work/.destdir/usr/pkg/lib/gnuchess
install: /var/pkgsrc/work/games/gnuchess-book-medium/work/book.dat: No such file or directory
*** Error code 71

Stop.
bmake[1]: stopped in /usr/pkgsrc/games/gnuchess-book-medium
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/games/gnuchess-book-medium