issue uploading a video (uh oh etc...)

Hello,

I'm faced to an issue. I couldn't upload a video to post using zoho social. Error message is the same as for other users (uh oh etc...) without showing where this issue come from.

File is good in every aspects of this :

https://help.zoho.com/portal/en/kb/social/faqs/media-and-link-attachments/articles/can-i-publish-posts-with-videos-from-zoho-social

Any help?