dify and Vanna.AI

[renjiarui021020]

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Node Vanna.AI run failed: Failed to invoke tool: 3 validation errors for ToolInvokeMessage message.str Input should be a valid string [type=string_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.8/v/string_type message.bytes Input should be a valid bytes [type=bytes_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.8/v/bytes_type message.dict[any,any] Input should be a valid dictionary [type=dict_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.8/v/dict_type I use the workflow tool VANNA in dify In AI, there is an error when connecting to the database. Is there any expert who can help me? I am very grateful