Share option (api endpoint) errors

[NicoJanvier]

Describe the bug
On the /saves page, when clicking the "Share" button, an error is thrown.
POST to https://share.nuzlocke.app/shorten returns HTTP code 200 with the following data:

{"error":{}}

To Reproduce
Steps to reproduce the behavior:

1. Go to nuzlocke.app/saves
2. Click on the share button
3. See error

Expected behavior
Never seen the options, but I expect to see several options to transfer my save

Screenshots

Desktop (please complete the following information):

• OS: macOS 14.4.1 (23E224)
• Browser: arc
• Version: 1.41.0

Smartphone (please complete the following information):

• Device: Pixel 8
• OS: Android 14
• Browser chrome
• Version