ld-elf.so.1: Shared object "libmd.so.6" not found, required by "pkg"

root@mowa219-gjp4-zbook-freebsd:/usr/local/poudriere/data/packages/main-default/All # cd
root@mowa219-gjp4-zbook-freebsd:~ # poudriere jail -u -j main
[00:00:00] Upgrading using pkgbase
pkg: Setting ABI requires setting OSVERSION as well
pkg: Cannot parse configuration file!
[00:00:00] Error: /usr/local/share/poudriere/jail.sh:update_jail:119:pkg update failed
root@mowa219-gjp4-zbook-freebsd:~ # pkg iinfo pkg-devel
pkg-devel-2.0.b2_1
root@mowa219-gjp4-zbook-freebsd:~ # pkg delete -fqy pkg-devel ; pkg boostrap -f
You may need to manually remove /usr/local/etc/pkg.conf if it is no longer needed.
The package management tool is not yet installed on your system.
Do you want to fetch and install it now? [y/N]: y
Bootstrapping pkg from file:///usr/local/poudriere/data/packages/main-default, please wait...
Installing pkg-1.21.3...
Extracting pkg-1.21.3: 100%
ld-elf.so.1: Shared object "libmd.so.6" not found, required by "pkg"
root@mowa219-gjp4-zbook-freebsd:~ #