This is fixed in Bionic 18.04, however the parameter "$Conf{BackupZeroFilesIsFatal} = 0" parameter for SMB Xfer, needs to be changed for upgrading hosts that had it previously set to 1.
Relevant post at Debian bug #820693:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820963#82
This is fixed in Bionic 18.04, however the parameter "$Conf{ BackupZeroFiles IsFatal} = 0" parameter for SMB Xfer, needs to be changed for upgrading hosts that had it previously set to 1.
Relevant post at Debian bug #820693:
https:/ /bugs.debian. org/cgi- bin/bugreport. cgi?bug= 820963# 82