Sometimes, thumbnail image not found error, after uploading video

Hello. Hope you are well.

I am trying to upload video to cloudflare by using axios call. It looks like below.

await“{ACCOUNT_ID}/stream/copy”, {
url: videoPath, // video saved in my dev server
}, {
headers: {
‘Authorization’: {TOKEN},
‘Content-Type’: ‘application/json’,

I get the thumbnail image url like this ‘

This is not found error, but if I attach ‘?hello’ at the url, it shows correct thumbnail image.
What’s wrong with this?

We are facing same issue of thumbimage showing 404 error . If possible can you please let us know how your issue is resolved as I see your thumb image URL working fine now.

our url is