JPdigging around in my 2K Marin-era (2008-ish) archives and came across this outstanding error message, props to whatever IT(?) person decided to phrase a simple seat license conflict as "Human Combat Required":
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.