That's the problem there are no errors, just the one listed. I only know this error because it shows in my litespeed web server logs and only occurs when doing the multiple uploads on the comment posts or timeline feed posts. I can upload 1 image or item without a problem. Only run into issue with multiple. If it was a permission issue It would not show after I refresh and the 1 image would not work. Id also receive an error, which I am not. Atleast I think. This is all in the post. 

I am also on my own server but not having this problem.
can you do a tail -f /var/log/litespeed/error.log ( or however it iserror log filename).
may be it is passing very fast and not catched.

The tail is matching up with my error logs in Litespeed webserver. This was realtime as I was uploading photos. The kill is when I am refreshing page.