my 19x19 ladder ranking:
Have you tried to turn it off and on again (Restarted the browser) ?
I’m not sure how OGS handles this but I guess it’s cached the ladder and reloaded only parts of it after someone climbed the ladder.
I can see that bug as well, when visiting https://online-go.com/ladder/313. I don’t think it’s due to caching in the web browser.
It seems to be a known bug:
Now I see it as well. I’m not sure if it was visible to me before. I should’ve done a Screenshot.