Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'headers')

[EgorEast]

I am sending the file to the s3 service, but an error occurs with the status 201, but with the response "User not found".

Headers:

Preview:

The problem is that with such an error, the library issues its own untraceable error

What is indicated in sources

Sometimes indicates that credentials are not specified

[sigmachirality]

+1, also getting this error atm

Trace stack points to the same line

Was able to get the original error by rewriting the request in fetch, but ideally the error would propagate correctly/wouldn't get eaten by this line

Curious to see how this'll get resolved

[sholladay]

The error indicates that you are passing undefined as the first argument to Ky.

Could you please show your code that causes the error?