Error when uploading from mobile using auto upload

BadRequest
Expected filesize of 40960000 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 39895040 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.

This is the error I’m seeing. The files in question are large video files. I do have my NextCloud operating out of a Docker container in Unraid.

I’m kind of a newb and not sure where to start. Any help would be appreciated!

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Also, what happens when uploading the same/similar size files via the web UI?