[/usr/src] root# make update
--------------------------------------------------------------
>>> Running /usr/local/bin/cvsup
--------------------------------------------------------------
Parsing supfile "/usr/share/examples/cvsup/stable-supfile"
Connecting to cvsup8.FreeBSD.org
Connected to cvsup8.FreeBSD.org
Server software version: SNAP_16_1h
Negotiating file attribute support
Exchanging collection information
Establishing passive-mode data connection


***
*** runtime error:
***    improper typecode: 16700
***

  use option @M3stackdump to get a stack trace
*** Signal 6

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.