PkgBase pkg bootstrap

root@mowa219-gjp4-vm-freebsd-13-zfs:~ # date ; uptime ; uname -v
Thu Apr 22 09:18:28 BST 2021
 9:18AM  up 27 mins, 2 users, load averages: 0.70, 0.46, 0.34
FreeBSD 13.0-RELEASE releng/13.0-ea31abc26 GENERIC
root@mowa219-gjp4-vm-freebsd-13-zfs:~ # freebsd-version -kru
13.0-RELEASE
13.0-RELEASE
13.0-RELEASE
root@mowa219-gjp4-vm-freebsd-13-zfs:~ # pkg update
pkg: Warning: Major OS version upgrade detected.  Running "pkg bootstrap -f" recommended
Updating FreeBSD repository catalogue...
FreeBSD repository is up to date.
Updating FreeBSD-base repository catalogue...
FreeBSD-base repository is up to date.
All repositories are up to date.
root@mowa219-gjp4-vm-freebsd-13-zfs:~ # pkg bootstrap -f
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 https://alpha.pkgbase.live/current/FreeBSD:14:amd64/latest, please wait...
pkg: Error fetching https://alpha.pkgbase.live/current/FreeBSD:14:amd64/latest/Latest/pkg.txz: Not Found
A pre-built version of pkg could not be found for your system.
Consider changing PACKAGESITE or installing it from ports: 'ports-mgmt/pkg'.
root@mowa219-gjp4-vm-freebsd-13-zfs:~ #