Regarding to the old thread, this problem still exists when an folder have the permissions: drwx--S---
Thanks for reporting this issue, we'll take a look into this and correct this for our next release.
We have now ensured we encounter for the uppercase S and uppercase T as outlined in the following Wiki page:
solved in 3.4.7
Thanks for confirming this issue has now been resolved in v3.4.7 👍️