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Traceback (most recent call last):
File "C:\vnstudio\lib\site-packages\vnpy\trader\ui\mainwindow.py", line 265, in open_widget
widget = widget_class(self.main_engine, self.event_engine)
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\ui\widget.py", line 43, in init
self.backtester_engine.init_engine()
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\engine.py", line 60, in init_engine
self.init_rqdata()
File "C:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\engine.py", line 66, in init_rqdata
result = rqdata_client.init()
File "C:\vnstudio\lib\site-packages\vnpy\trader\rqdata.py", line 56, in init
df = rqdata_all_instruments(date=datetime.now())
File "C:\vnstudio\lib\site-packages\rqdatac\decorators.py", line 131, in wrap
return func(args, **kwargs)
File "C:\vnstudio\lib\site-packages\rqdatac\services\basic.py", line 320, in all_instruments
ins_ret = filter(cond, _all_instruments_list(market))
File "C:\vnstudio\lib\site-packages\rqdatac\decorators.py", line 111, in wrapper
value = user_function(
args, kwargs)
File "C:\vnstudio\lib\site-packages\rqdatac\services\basic.py", line 108, in _all_instruments_list
return [Instrument(i) for i in get_client().execute("all_instruments", market=market)]
File "C:\vnstudio\lib\site-packages\rqdatac\decorators.py", line 59, in wrap
return func(*args,
kwargs)
File "C:\vnstudio\lib\site-packages\rqdatac\thread_local.py", line 43, in execute
return self._execute(self._get_connection(), method, args, kwargs)
File "C:\vnstudio\lib\site-packages\rqdatac\thread_local.py", line 39, in _execute
raise e
File "C:\vnstudio\lib\site-packages\rqdatac\thread_local.py", line 34, in _execute
return conn.execute(method, *args, **kwargs)
File "C:\vnstudio\lib\site-packages\rqdatac\connection.py", line 132, in execute
msg_type, body = self._read_one_packet()
File "C:\vnstudio\lib\site-packages\rqdatac\connection.py", line 102, in _read_one_packet
raise get_error(code)(msg)
rqdatac.share.errors.QuotaExceeded: login session num reached MAX limit

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请升级到2.0.8

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