actions报错

[zzzengzhe]

第6章代码示例，我在网页端已经启动了，actions也启动了，我问了“有哪些歌手”，出来的答案是对的，但是我问“有哪些男歌手”时，actions服务报错：
2024-01-25 15:34:00 INFO rasa_sdk.endpoint - Starting action endpoint server...
using Neo4jKnowledgeBase
2024-01-25 15:34:00 INFO rasa_sdk.executor - Registered function for 'action_response_query'.
2024-01-25 15:34:00 INFO rasa_sdk.endpoint - Starting plugins...
2024-01-25 15:34:00 INFO rasa_sdk.endpoint - Action endpoint is up and running on http://0.0.0.0:5055
2024-01-25 15:34:48 ERROR rasa_sdk.endpoint - Exception occurred during execution of request <Request: POST /webhook>
Traceback (most recent call last):
File "handle_request", line 83, in handle_request
)
File "D:\Anaconda3\envs\rasa3\lib\site-packages\rasa_sdk\endpoint.py", line 113, in webhook
result = await executor.run(action_call)
File "D:\Anaconda3\envs\rasa3\lib\site-packages\rasa_sdk\executor.py", line 398, in run
events = await utils.call_potential_coroutine(
File "D:\Anaconda3\envs\rasa3\lib\site-packages\rasa_sdk\utils.py", line 297, in call_potential_coroutine
return await coroutine_or_return_value
File "D:\Anaconda3\envs\rasa3\lib\site-packages\rasa_sdk\knowledge_base\actions.py", line 146, in run
object_types = self.knowledge_base.get_object_types()
File "D:\Anaconda3\envs\rasa3\lib\site-packages\rasa_sdk\knowledge_base\storage.py", line 116, in get_object_types
raise NotImplementedError("Method is not implemented.")
NotImplementedError: Method is not implemented.