rsync-bpc fails on backuppc server with Ubuntu 22.04 LTS (Jammy Jellyfish)

[washingon]

rsync-bpc fails backup of PC after upgrading to Ubuntu 22.04 LTS (Jammy Jellyfish)

backuppc log for windows backup:
Error: Got fatal error during xfer (rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.3.0]) in the backuppc log.

/usr/local/bin/rsync_bpc --version
rsync_bpc  version 3.1.3.0  protocol version 31
Copyright (C) 1996-2018 by Andrew Tridgell, Wayne Davison, and others.
Web site: http://rsync.samba.org/
Capabilities:
    64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,
    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,
    append, ACLs, xattrs, iconv, symtimes, no prealloc

rsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you
are welcome to redistribute it under certain conditions.  See the GNU
General Public Licence for details.

[xtaran]

This looks a lot like issue #20.