[Bug]: Error connecting to the JEXT server

[LinkIT3]

Describe the bug

In the web UI when i try to connect to the server I always receive this error:

TypeError: Failed to fetch
    at window.fetch (https://spartacus04.github.io/jext-reborn/_app/immutable/chunks/entry.CzN3TDOu.js:1:1667)
    at gu (https://spartacus04.github.io/jext-reborn/_app/immutable/chunks/extensions.DSzSdg-Y.js:19:30137)
    at async https://spartacus04.github.io/jext-reborn/_app/immutable/nodes/4.ssY_f0Df.js:1:14065

Steps to reproduce

1. In Minecraft I type /jext webui
2. I click on the generated link
3. In the browser I enter the password

Expected behaviour

Normally it should connect to the server and let you change settings

Logs

No response

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