Some posters returning 404 (Yes, Patron)

[iDVB]

Yes, I'm a Standard level Patron
Access to the Poster API
250,000 requests per day

I'm assuming this is a larger issue than I can see since I've already encountered 3x broken images is the first 5 movie searches I've done. Am I doing something wrong here? Why are these posters broken?

200 OK:

https://img.omdbapi.com/?apikey=NOTTELLING&i=tt12593682&h=3000
https://img.omdbapi.com/?apikey=NOTTELLING&i=tt2953050&h=3000

404:

https://img.omdbapi.com/?apikey=NOTTELLING&i=tt6443346&h=3000
https://img.omdbapi.com/?apikey=NOTTELLING&i=tt12975816&h=3000
https://img.omdbapi.com/?apikey=NOTTELLING&i=tt11909878&h=3000
https://img.omdbapi.com/?apikey=NOTTELLING&i=tt5315210&h=3000
http://img.omdbapi.com/?apikey=NOTTELLING&i=tt4593060&h=3000

All not working...404
tt5656994
tt8363392
tt14001894
tt15445056
tt16118262
tt15686024
tt21197740
tt15275256
tt16194408
tt18671660
tt17196124

FYI, this is just out of the top 20 from the TMDB's Popular list.