macpcc sysupgrade missing files

misc@

was trying to sysupgrade to latest snapshot but got this

rgc:/home/rgc:94$ doas sysupgrade -kn
Fetching from http://ftp.jaist.ac.jp/pub/OpenBSD/snapshots/macppc/
SHA256.sig 100% |*****************************************************************************************************************************************************************| 1882 00:00
Signature Verified
Verifying old sets.
INSTALL.macppc 100% |***************************************************************************************************************************************************************| 48017 00:00
base67.tgz 100% |*****************************************************************************************************************************************************************| 153 MB 00:18
bsd 100% |*****************************************************************************************************************************************************************| 10144 KB 00:03
bsd.mp 100% |*****************************************************************************************************************************************************************| 10234 KB 00:03
bsd.rd 100% |*****************************************************************************************************************************************************************| 8091 KB 00:05
bsd.tbxi 100% |*****************************************************************************************************************************************************************| 6917 00:00
comp67.tgz 100% |*****************************************************************************************************************************************************************| 70450 KB 00:12
game67.tgz 100% |*****************************************************************************************************************************************************************| 2725 KB 00:01
man67.tgz 100% |*****************************************************************************************************************************************************************| 7455 KB 00:03
sysupgrade: Error retrieving http://ftp.jaist.ac.jp/pub/OpenBSD/snapshots/macppc/xbase66.tgz: 404 Not Found
rgc:/home/rgc:91$ doas sysupgrade -kn
doas (rgc@apbg4.my.domain) password:
Fetching from http://ftp.jaist.ac.jp/pub/OpenBSD/snapshots/macppc/
SHA256.sig 100% |*****************************************************************************************************************************************************************| 1882 00:00
Signature Verified
Verifying old sets.
sysupgrade: Error retrieving http://ftp.jaist.ac.jp/pub/OpenBSD/snapshots/macppc/xbase66.tgz: 404 Not Found
rgc:/home/rgc:93$ doas vi /etc/installurl
rgc:/home/rgc:94$ doas sysupgrade -kn
Fetching from https://cdn.openbsd.org/pub/OpenBSD/snapshots/macppc/
SHA256.sig 100% |*****************************************************************************************************************************************************************| 1972 00:00
Signature Verified
Verifying old sets.
sysupgrade: Error retrieving https://cdn.openbsd.org/pub/OpenBSD/snapshots/macppc/xbase66.tgz: 404 Not Found


i'm running

kern.version=OpenBSD 6.6-current (GENERIC) #690: Tue Mar 31 16:32:01 MDT 2020
deraadt@macppc.openbsd.org:/usr/src/sys/arch/macppc/compile/GENERIC

rgc