Hi,
If you use the end digits of the IMDb ID URL after "tt", in the search bar and hit enter, it may still show up under search.
When we receive such requests, we normally have to comply.
Here: https://www.opensubtitles.org/en/search ... dbid-23525
If not unblocked after a month or so or the above doesn't work, write directly to us using the "contact us" form asking if it can be unblocked.
If it was yours from scratch and "fan made," so to speak, it shouldn't have been blocked in the first place, IMHO. Strange.