The error message for uploading the file node only indicates a system error

[shige]

Self Checks

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Cloud or Self Hosted

Cloud

Version (only for Self Hosted)

No response

Steps to reproduce

1. Go to agent playground page
2. Place a File node
3. Upload non-PDF file

Expected Behavior

I believe that providing a more direct explanation of the causes for file upload failure would improve usability.

Actual Behavior

It may be beneficial to indicate whether a non-PDF file extension has been uploaded or if there are issues with the content. This way, users can understand the error upon reviewing the message and take the correct actions to resolve the error.

Additional Context