Uploading files with binary fails

Author: Archie-AirdCreated Apr 1, 2026Updated Sep 14, 2026

bug report

Preflight Checklist

  • I have read the Contributing Guidelines for this project.
  • I agree to follow the Code of Conduct that this project adheres to.
  • I have searched the issue tracker for an issue that matches the one I want to file, without success.

Description of the problem

How has this issue affected you? What are you trying to accomplish?

To Reproduce

When I upload a file (specifically the Luau.Web.js file from Luau's official site), and when I drag it in, I get this error:

Image

I suspect it is the binary in the file, but probably not.

Your Environment

Software Name/Version
Сodesandbox Current
Browser Microsoft Edge
Operating System Windows 11

Source: codesandbox/codesandbox-client