can't make installworld

[AN]

FreeBSD BSD12 12.0-CURRENT FreeBSD 12.0-CURRENT #16 r335386: Tue Jun
19 19:57:51 EDT 2018
root at BSD12:/usr/obj/usr/src/amd64.amd64/sys/MYKERNEL  amd64

# cat /etc/master.passwd | grep ntp
ntpd:*:123:123::0:0:NTP Daemon:/var/db/ntp:/usr/sbin/nologin


# cat /etc/group | grep ntp
ntpd:*:123:


# svnlite info
Path: .
Working Copy Root Path: /usr/src
URL: svn://svn.freebsd.org/base/head
Relative URL: ^/head
Repository Root: svn://svn.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 337003
Node Kind: directory
Schedule: normal
Last Changed Author: manu
Last Changed Rev: 337000
Last Changed Date: 2018-07-31 15:14:52 -0400 (Tue, 31 Jul 2018)


For several days I have been trying to update the world without
success.  In single user mode, trying to make installworld I get the
following:

>>>Installworld check
...
Required tool true not found in path.


Any idea how to fix this?