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• I have searched the existing issues and this bug is not already filed.
• I believe this is a legitimate bug, not just a question or feature request.

Describe the bug

上传文件上传失败，报如下错误：

并且后续上传所有文件均失败，全是报这个错误。删除已上传的文件也失败，同样报这个错。 可以帮忙看下这是否是代码的bug吗。还有我现在想继续上传文件，怎么恢复环境。

Steps to reproduce

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Expected Behavior

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LightRAG Config Used

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Logs and screenshots

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Additional Information

• LightRAG Version:
• Operating System:
• Python Version:
• Related Issues: