Traceback (most recent call last):
File "C:\veighna_studio\lib\site-packages\vnpy_optionmaster\ui\widget.py", line 309, in update_portfolio_setting
result: bool = self.option_engine.init_portfolio(self.portfolio_name)
File "C:\veighna_studio\lib\site-packages\vnpy_optionmaster\engine.py", line 302, in init_portfolio
holding: PositionHolding = converter.get_position_holding(instrument.vt_symbol)
AttributeError: 'NoneType' object has no attribute 'get_position_holding'
题主想要实盘ctp加载如下合约: