Can't create a clone when you are alone. 🔼
I think this is an OpenSim 0.7.6 server side bug. It works fine under 0.7.5.
Ancient issue from github - opened Mar 2, 2014 by onefang
reported=2019-05-19 03:01:21
reporter=onefang
priority=normal
category=Bug
severity=minor
resolution=no change required
2019-05-19 08:17:15 onefang: This seems to also work in 0.8 and 0.9. So no need to do anything.