Invalid text content type: <class 'NoneType'>. Expected str.

[whpengdd]

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Dify version

0.11.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

The parameter extractor prompts error, when I use function calling

✔️ Expected Behavior

Success

❌ Actual Behavior

parameter can't work by function calling.

[dosubot]

Hello @whpengdd! I'm here to assist you with any bugs, questions, or contributions you have for the project. Let me know how I can help you with the issue you've encountered.

I found some similar discussions and issues related to NoneType errors in Dify:

1. Error in item: Invalid variable. - This discussion is unsolved and was last updated on September 23, 2024.
2. Help: Failed to invoke tool: int() argument must be a string, a bytes-like object or a real number, not 'NoneType' - This discussion is unsolved and was last updated on September 6, 2024.
3. ‘>’ not supported between instances of ‘NoneType’ and ‘int’ - This discussion is unsolved and was last updated on June 23, 2024.

Additionally, there is a closed issue that might be related:

• seems that some variables are lost after the Parameter Extraction node. - This issue was closed on August 1, 2024. The suggested solution was to ensure that two Direct Reply nodes are set up to output the content in the Parameter Extraction node.

These discussions and issues might provide some insights or potential solutions to the problem you're encountering with the NoneType error in the parameter extractor.

To continue talking to Dosu, mention @dosu.