tdowty@ubuntu:~/amd/poky-amd-kirkstone/build-v3000-kirkstone$ bitbake secure-core-image
Loading cache: 100% |########################################################################################################################################################################| Time: 0:00:00
Loaded 30 entries from dependency cache.
ERROR: ParseError at /home/tdowty/amd/poky-amd-kirkstone/meta/classes/image.bbclass:19: Could not inherit file classes/rootfs_${IMAGE_PKGTYPE}.bbclass                                      | ETA:  --:--:--
ERROR: Parsing halted due to errors, see error messages above

Summary: There were 2 ERROR messages, returning a non-zero exit code.