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"Failed to fetch" Error on Tumor Segmentation Upload #19

@nedimb751

Description

@nedimb751

Dear BrainIAC Team,

I am writing to report a technical issue I encountered while using the Tumor Segmentation tool at:
https://www.brainiac-platform.com/segmentation_simple.html

When attempting to upload a NIfTI file (.nii.gz, ~2 MB), the upload consistently fails with the following error:

• Firefox: "NetworkError when attempting to fetch resource"
• Chrome: "Failed to fetch"

I tested the issue across both browsers and confirmed that the file size is not the cause (approx. 2 MB). The error appears to occur when the file is submitted to the backend API, suggesting a possible server-side issue, CORS misconfiguration, or backend downtime.

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