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2.1.0版本数据无法持久化

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 我向注册的设备发送了数据，已经到达【inbound-events】kakfa主题，但是无法被持久化，也无法到达主题【outbound-events】kafka主题。求答复！ I sent data to the registered device, and it has reached the [inbound events] kakfa theme, but it can't be persisted or reached the [outbound events] Kafka theme....

Equipment group instructions？

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I didn't find any information about device groups in the site where document. Where can I find the instruction documents about device groups and how to use them.

希望在ALink训练模型，在Tensorflow环境下继续训练？不知道是否支持！

https://www.dameng.com/ When does flyway support Dameng database？

https://siddhi-io.github.io/siddhi-execution-streamingml/api/2.0.0/#updatebayesianclassification-stream-processor How to find the address of the model in the machine learning example? I want to know the absolute path to save the model Thankful！

Note that getDeviceEventManagement is not implemented here. How to solve the call problem？ private IDeviceEventManagement getDeviceEventManagement(ITenant tenant) { return null; }  https://github.com/sitewhere/sitewhere/blob/master/service-schedule-management/src/main/java/com/sitewhere/schedule/jobs/CommandInvocationJob.java

does not support regression？

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As shown in the figure, there is only classification algorithm but no regression  Is there anything special

How should I solve it

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运行question_bot.py报错请问是哪里出问题了，安装了langchain-community依然报错

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E:\jupyter\ERNIE-SDK\py311\Scripts\python.exe E:\jupyter\ERNIE-SDK\erniebot-agent\applications\eb-agent-qa-bot\question_bot.py --init=True --access-token xxxxxxxxxxxxxxxxxxxxxxxxxxxx 0%| | 0/8 [00:00