Share button produces error

[JBlitzar]

The share button on publicly-hosted https://www.openai.fm/ doesn't work.

Expected behavior: You are able to share by pressing the share button

Actual behavior: A popup appears saying "Error sharing. Please try again."

Steps to reproduce:

1. Go to https://www.openai.fm/
2. Click the share button

Additional information:

Console reports:
POST https://www.openai.fm/api/share 500 (Internal Server Error)

Screenshot: