2022-11-02 15:52:52 KeyError: (('G', '1', '1'),)

At:
C:\veighna_studio\lib\site-packages\vnpy_ctp\gateway\ctp_gateway.py(665): onRtnOrder
C:\veighna_studio\lib\site-packages\vnpy_ctp\gateway\ctp_gateway.py(634): onRspQryInstrument

这是交易所原因吗？？

分钟级别和日线级别不能同用于回测吗？这是回测系统的问题吗？求解！

@用Python的交易员
好的，知道了，谢谢，好像用编辑器运行更稳定些

@lance52587
猜测有可能是machine learning 包吧！！！

用什么运行no_ui的run.py文件启动策略比较好呢，windows 的power shell 运行卡单子呀，根本没法用，求大神赐教！

@xiaohe
@用Python的交易员
好的，谢谢，搞定了，按照社区中提供的案例，同时安装vcredist x64 2010-2017所有版本，就连上了！！！中秋节哈皮！！！

陈总，出现如上信息，@用python的交易员

陈总，是不是得ctp 端口和融航端口同时链接

你看看，有的。

新建的.py文件放到哪里，怎样用

updates 未定义这么弄。感谢解答！！！

代码都看不懂，错了也改不来的，怎么办，怎么办！！！

打开VN Trader Lite 时报错怎么办？出现如下错误提示

raceback (most recent call last):
File "c:\vnstudio\lib\site-packages\vnstation\cli.py", line 90, in run_trader
module = importlib.import_module(d["module"])
File "c:\vnstudio\lib\importlib__init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "c:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\init.py", line 9, in <module>
from .engine import CtaEngine
File "c:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\engine.py", line 39, in <module>
from vnpy.trader.database import database_manager
File "c:\vnstudio\lib\site-packages\vnpy\trader\database\init__.py", line 12, in <module>
database_manager: "BaseDatabaseManager" = init(settings=settings)
File "c:\vnstudio\lib\site-packages\vnpy\trader\database\initialize.py", line 8, in init
return init_nosql(driver=driver, settings=settings)
File "c:\vnstudio\lib\site-packages\vnpy\trader\database\initialize.py", line 23, in init_nosql
_database_manager = init(driver, settings=settings)
File "c:\vnstudio\lib\site-packages\vnpy\trader\database\database_mongo.py", line 31, in init
authentication_source=authentication_source,
File "c:\vnstudio\lib\site-packages\mongoengine\connection.py", line 404, in connect
register_connection(alias, db, kwargs)
File "c:\vnstudio\lib\site-packages\mongoengine\connection.py", line 218, in register_connection kwargs
File "c:\vnstudio\lib\site-packages\mongoengine\connection.py", line 92, in _get_connection_settings
_check_db_name(conn_settings["name"])
File "c:\vnstudio\lib\site-packages\mongoengine\connection.py", line 45, in _check_db_name
_check_name(name)
File "c:\vnstudio\lib\site-packages\pymongo\database.py", line 52, in _check_name
"character %r" % invalid_char)

pymongo.errors.InvalidName: database names cannot contain the character '.'