when i confire the invoice, has issue .
File "/home/jeafea/GreenOdoo-8.0-linux64/source/addons/account_analytic_plans/account_analytic_plans.py", line 395, in _get_analytic_lines ref = self._convert_ref(inv.number) ValueError: "'account.invoice' object has no attribute '_convert_ref'" while evaluating u'action_move_create()'