Voting is somehow possible on the original title; returns "500: Internal server error" when done

<img width="449" height="81" alt="Image" src="https://github.com/user-attachments/assets/f67b0f4d-efa6-4dd6-84e8-fd0d897d447f" />

Voting on the original title (doesn't matter, upvoting or downvoting) results in a 500 server error.

<img width="495" height="202" alt="Image" src="https://github.com/user-attachments/assets/0ddc4e0a-3967-46e5-aba2-19b14c0d7d4c" />

