Jails not mounting after update to 12.0BETA2

I tried to update to BETA1, received a similar error, rebooted back to 11.3. Tried Update again, did not succeed.

root@freenas:~ # iocage list
Traceback (most recent call last):
  File "/usr/local/bin/iocage", line 10, in <module>
    sys.exit(cli())
  File "/usr/local/lib/python3.8/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python3.8/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python3.8/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python3.8/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/iocage_cli/list.py", line 82, in cli
    _list = iocage.list(
  File "/usr/local/lib/python3.8/site-packages/iocage_lib/iocage.py", line 1344, in list
    return ioc_list.IOCList(
  File "/usr/local/lib/python3.8/site-packages/iocage_lib/ioc_list.py", line 76, in list_datasets
    ds = list(ds)
  File "/usr/local/lib/python3.8/site-packages/iocage_lib/dataset.py", line 84, in get_dependents
    if ds.locked:
  File "/usr/local/lib/python3.8/site-packages/iocage_lib/dataset.py", line 90, in locked
    return not self.mounted or (
  File "/usr/local/lib/python3.8/site-packages/iocage_lib/dataset.py", line 79, in mounted
    return self.properties['mounted'] == 'yes'
KeyError: 'mounted'