Searching in my “saves” (with the in:saves operator) does currently not work and displays the error Oops! Something Bad Happened! We apologize for any inconvenience, but an unexpected error occurred while you were browsing our site. This happens on all sites, at least since yesterday. It might ...

When I try to use inquestion:389834 or inquestion:this, I get a 500 HTTP status code. (This is what it shows.) I would really like to use this function.