wemux tries 'chmod 1777' but this does not work
A commit references this bug: Author: cs Date: Thu Oct 11 11:33:31 UTC 2018 New revision: 481814 URL: https://svnweb.freebsd.org/changeset/ports/481814 Log: Update wemux port to include latest bug fixes from another forked version of it. This new fork also adds manpages. PR: 230014 Changes: head/sysutils/wemux/Makefile head/sysutils/wemux/distinfo head/sysutils/wemux/files/ head/sysutils/wemux/pkg-plist
The original author of this software is not maintaining it anymore. Your bug should have been fixed by a forked version. I have updated the port. Hope, it works.