Port is outdated: https://www.process-one.net/blog/ejabberd-20-04/
A commit references this bug: Author: ashish Date: Fri May 1 20:31:02 UTC 2020 New revision: 533588 URL: https://svnweb.freebsd.org/changeset/ports/533588 Log: - Update to 20.04 PR: 246088 Reported by: post at zuglufttier dot de Changes: head/net-im/ejabberd/Makefile head/net-im/ejabberd/distinfo head/net-im/ejabberd/pkg-plist
Updated, thanks for letting me know.