1. scripty reports an error in https://logs.l10n.kde.org/180531.branches_stable_l10n-kf5:

kdemultimedia_kdenlive /home/scripty/prod/branches/stable/l10n-kf5/templates/messages/kdemultimedia
./data
cat: kdenlive.xml: No such file or directory
Empty preprocessed XML file: kdenlive.xml.podir/kdenlive.xml.in !
Traceback (most recent call last):

File "/home/scripty/prod/branches/stable/l10n-kf5/scripts/fillxmlfrompo.py", line 37, in <module>
  xmllines=codecs.open(xmlfilepath,"rb","utf8").readlines()
File "/home/scripty/pyenv/lib/python2.7/codecs.py", line 896, in open
  file = __builtin__.open(filename, mode, buffering)

IOError: [Errno 2] No such file or directory: 'kdenlive.xml'
warning: failed to load external entity "kdenlive.xml"
Bash exit code: 1

Fix -> adapt XmlMessages.sh

2. This is only in 18.04, but not in master