Quite possibly. We have seen a good few reports of a failed samba update on the CentOS side and:
looks related.
Take a look at for example:
and it’s links. There are other such reports on the forum under “samba failed” search or the like.
Once that is sorted, likely via a re-install of a samba lib as the upstream samba libraries during what is now a fairly massive update from our very old 3.9.1 iso, you should be sorted.