If any help, I'm using Google Chrome Version 78.0.3904.108 (Official Build) (64-bit) on a Mac.
When I nominate a question to be reopened, the prompt window is still present after I click "Reopen". The queue moves on to the next question, but the prompt is still there. Clicking "Reopen" again shows the error "You've already voted to reopen this question", and clicking "Cancel" simply closes the window.
Steps to reproduce:
- Enter "Reopen Votes" queue
- Vote to Reopen a question
- Click "Reopen" when the prompt appears
- Observe bug described above
I'm posting it here on Code Review Meta because I'm unsure if this is consistent across all Stack Exchange sites, or just here.