cubicweb-skos #16271998 fail on skos scheme reimport [open]

cubicweb-ctl skos-import saem_ref  Liste_d_autorite_Contexte_historique_pour_l_indexation_des_archives_locales.rdf
Importing Skos dataset
----------------------
loading {} into RDF graph
/usr/lib/python2.6/site-packages/cubicweb/server/session.py:185: DeprecationWarning: [3.21] a cnxset is automatically set on __enter__ call now. stop using .ensure_cnx_set
return func(cnx, *args, **kwargs)
Traceback (most recent call last):
File "/usr/bin/cubicweb-ctl", line 4, in <module>
run(sys.argv[1:])
File "/usr/lib/python2.6/site-packages/cubicweb/cwctl.py", line 1099, in run
CWCTL.run(args)
File "/usr/lib/python2.6/site-packages/logilab/common/clcommands.py", line 136, in run
sys.exit(command.main_run(args, rcfile))
File "/usr/lib/python2.6/site-packages/logilab/common/clcommands.py", line 265, in main_run
self.run(args)
File "/usr/share/cubicweb/cubes/skos/ccplugin.py", line 90, in run
cnx, graph_extentities(graph), import_log, store=store)
File "/usr/share/cubicweb/cubes/skos/sobjects.py", line 264, in import_skos_extentities
store.commit()
File "/usr/lib/python2.6/site-packages/cubicweb/dataimport/stores.py", line 123, in commit
return self._commit()
File "/usr/lib/python2.6/site-packages/cubicweb/server/session.py", line 185, in check_open
return func(cnx, *args, **kwargs)
File "/usr/lib/python2.6/site-packages/cubicweb/server/session.py", line 890, in commit
operation.handle_event('precommit_event')
File "/usr/lib/python2.6/site-packages/cubicweb/server/hook.py", line 769, in handle_event
getattr(self, event)()
File "/usr/lib/python2.6/site-packages/cubicweb/hooks/security.py", line 85, in precommit_event
check_entity_attributes(cnx, entity, action, edited)
File "/usr/lib/python2.6/site-packages/cubicweb/hooks/security.py", line 63, in check_entity_attributes
entity.cw_check_perm(action)
File "/usr/lib/python2.6/site-packages/cubicweb/entity.py", line 634, in cw_check_perm
self.e_schema.check_perm(self._cw, action, eid=self.eid)
File "/usr/lib/python2.6/site-packages/cubicweb/schema.py", line 724, in check_perm
raise Unauthorized(action, str(self))
cubicweb._exceptions.Unauthorized: You are not allowed to perform update operation on Label
prioritynormal
typebug
done in<not specified>
closed by<not specified>