=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for m1n1-20210828
  CC    build/adt.o
  CC    build/aic.o
  IMG   build/bootlogo_128.bin
gmake: convert: No such file or directory
gmake: *** [Makefile:128: build/bootlogo_128.bin] Error 127
gmake: *** Waiting for unfinished jobs....
*** Error code 2

Stop.
make[1]: stopped in /tree/pkgsrc/sysutils/m1n1
*** Error code 1

Stop.
make: stopped in /tree/pkgsrc/sysutils/m1n1