upgrading to 2.3.0 fails in "making installing in doc"

[djosifovich@…]

===> making install in doc /usr/bin/install -c -d -o macports -g 42051 -m 0755 "/Realms/MEI/desert-plateau/Tools/MacPorts/opt/local" /usr/bin/install -c -d -o macports -g 42051 -m 0755 "/Realms/MEI/desert-plateau/Tools/MacPorts/opt/local/etc/macports" < prefix.mtree /usr/sbin/mtree -U -e -p "/Realms/MEI/desert-plateau/Tools/MacPorts/opt/local" > /dev/null mtree: line 6: unknown group 42051 make[1]: * [install] Error 1 make: * [install] Error 1 Command failed: cd /Realms/MEI/desert-plateau/Tools/MacPorts/opt/local/var/macports/sources/rsync.macports.org/release/tarballs/base && CC=/usr/bin/cc OBJC=/usr/bin/cc ./configure --prefix=/Realms/MEI/desert-plateau/Tools/MacPorts/opt/local --with-tclpackage=/Library/Tcl --with-install-user=macports --with-install-group=42051 --with-directory-mode=0755 --enable-readline && make SELFUPDATING=1 && make install SELFUPDATING=1 Exit code: 2 Error: Error installing new MacPorts base: command execution failed To report a bug, follow the instructions in the guide:

​http://guide.macports.org/#project.tickets

Error: /opt/local/bin/port: port selfupdate failed: Error installing new MacPorts base: command execution failed

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The above occurred from "sudo port -v selfupdate" on updated 10.9.3 running on MBP.