Edits with polls on besttvshowswiki don't save and error out. This is the error it throws:
Database error A database query error has occurred. This may indicate a bug in the software. [5bc81e4b4e050a884fe05e8e] 2021-04-15 21:38:50: Fatal exception of type "Wikimedia\Rdbms\DBQueryError"
To replicate, add this to any page:
<poll> Do you like the new Main Page? Yes No </poll>