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点击更新数据时,抛出如下异常,请问是什么问题?

Traceback (most recent call last):
File "c:\vnstudio\lib\site-packages\vnpy_datamanager\ui\widget.py", line 381, in update_data
overview.end
File "c:\vnstudio\lib\site-packages\vnpy_datamanager\engine.py", line 206, in download_bar_data
rqdata_client.init()
File "c:\vnstudio\lib\site-packages\vnpy\trader\rqdata.py", line 66, in init
df = rqdata_all_instruments()
File "c:\vnstudio\lib\site-packages\rqdatac\decorators.py", line 139, in wrap
return func(args, **kwargs)
File "c:\vnstudio\lib\site-packages\rqdatac\services\basic.py", line 379, in all_instruments
ins_ret = filter(cond, get_instrument_list(market))
File "c:\vnstudio\lib\site-packages\rqdatac\decorators.py", line 119, in wrapper
value = user_function(
args, kwargs)
File "c:\vnstudio\lib\site-packages\rqdatac\services\basic.py", line 134, in _all_cached_instruments_list
return _all_instruments_list(market)
File "c:\vnstudio\lib\site-packages\rqdatac\services\basic.py", line 112, in _all_instruments_list
ins = [Instrument(i) for i in get_client().execute("all_instruments", market=market)]
File "c:\vnstudio\lib\site-packages\rqdatac\decorators.py", line 67, in wrap
return func(*args,
kwargs)
File "c:\vnstudio\lib\site-packages\rqdatac\connection_pool.py", line 27, in execute
return conn.execute(method, *args, **kwargs)
File "rqdatac\connection.py", line 117, in rqdatac.connection.Connection.execute
File "rqdatac\connection.py", line 87, in rqdatac.connection.Connection._read_one_packet
rqdatac.share.errors.QuotaExceeded: Quota exceeded

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