svn: E175003: Attempt to fetch capability 'depth' resulted in 'yes'

[bob prohaska]

After a successful build of 
FreeBSD 12.0-CURRENT (RPI2) #5 r314923: Fri Mar 10 09:03:07 PST 2017

the next attempt at updating sources produced:

svn: E175003: Attempt to fetch capability 'depth' resulted in 'yes'

Trying

root at www:/usr/src # svnlite info .
Path: .
Working Copy Root Path: /usr/src
URL: https://svn0.us-west.freebsd.org/base/head
Relative URL: ^/head
Repository Root: https://svn0.us-west.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 314923
Node Kind: directory
Schedule: normal
Last Changed Author: avos
Last Changed Rev: 314923
Last Changed Date: 2017-03-08 14:49:22 -0800 (Wed, 08 Mar 2017)

root at www:/usr/src # svnlite status .
?       buildkernel.log
?       buildscript
?       buildscript.bak
?       buildworld.log
?       installkernel.log
?       installworld.log

reveals no very obvious mischief.

Cleanup didn't have any effect, is there something else to try?
I'd rather not checkout again if it can be avoided, it's very slow.

Thanks for reading and any guidance,

bob prohaska