first many thanx for your wonderful torrent-client..;-)
Second, i had qbittorrent 2.8.2 and as i changeed the upload-ratio for one file from 0 to 2 all other files which were "above" 2.0 got automatically paused and i couldn´t get them on again..there was no way , also not in the options menu..
I´ve updated to qbittorrent 2.8.4, but same there...
Only way to get the "paused"-files on again, was to remove the upload-ratio from the one torrent..
Hope i could help u with this...
many greets and thanx again !!;-)