What is going on here? Why do my posts get closed and deleted - 404 ?

https://community-imdb.sprinklr.com/conversations/data-issues-policy-discussions/where-did-the-post-go/6a7661ce4a49ebabfc68d2fe

I added a link to a post to show a Sam Evans was in "Show me what you're made of" and the post disappeared. 

https://community-imdb.sprinklr.com/conversations/data-issues-policy-discussions/removal-of-an-inaccurate-imdb-page/6a74c390d032a48cd13a669a

Removal of an inaccurate IMDb page
IMDb Community Forums
https://community-imdb.sprinklr.com › conversations
12
1 day ago — I formally request that you review the accuracy of this information and remove or rectify the fabricated credit accordingly. I would also point ...