cubicweb-container #2493534 crash on add_cube ('container') [rejected]

Traceback (most recent call last):
File "/home/auc/confs/complexunits/cubicweb/cwctl.py", line 167, in run_arg
status = cmdmeth(appid)
File "/home/auc/confs/complexunits/cubicweb/cwctl.py", line 767, in upgrade_instance
mih.migrate(vcconf, reversed(toupgrade), self.config)
File "/home/auc/confs/complexunits/cubicweb/server/migractions.py", line 155, in migrate
super(ServerMigrationHelper, self).migrate(vcconf, toupgrade, options)
File "/home/auc/confs/complexunits/cubicweb/migration.py", line 181, in migrate
self.cmd_process_script(script)
File "/home/auc/confs/complexunits/cubicweb/server/migractions.py", line 160, in cmd_process_script
migrscript, funcname, *args, **kwargs)
File "/home/auc/confs/complexunits/cubicweb/migration.py", line 350, in cmd_process_script
execfile(migrscript, scriptlocals)
File "/home/auc/confs/complexunits/cubes/pylos/migration/0.14.0_Any.py", line 1, in <module>
add_cube('container')
File "/home/auc/confs/complexunits/cubicweb/migration.py", line 137, in <lambda>
meth=meth)
File "/home/auc/confs/complexunits/cubicweb/migration.py", line 203, in interact
return meth(*args, **kwargs)
File "/home/auc/confs/complexunits/cubicweb/server/migractions.py", line 648, in cmd_add_cube
self.cmd_add_cubes( (cube,), update_database)
File "/home/auc/confs/complexunits/cubicweb/server/migractions.py", line 683, in cmd_add_cubes
self.cmd_add_relation_type(rschema.type)
File "/home/auc/confs/complexunits/cubicweb/server/migractions.py", line 1064, in cmd_add_relation_type
rdef.object = self.repo.schema.rschema(objtype)
File "/home/auc/confs/complexunits/yams/schema.py", line 1290, in rschema
raise KeyError('No relation named %s in schema'%rtype)
KeyError: 'No relation named CWEType in schema'
instance cu not upgraded: 'No relation named CWEType in schema'

priorityimportant
typebug
done in<not specified>
load0.000
load left0.000
closed by<not specified>