The reason why you can't connect [due to limited peers/bandwidth] multiple process of torrent download/upload ...
-
stop and remove/delete the torrent [not the file] and re-download here
do a force start/resume ... -
Open Options/Preferences - Connection change your port ranging from [6881 - 6889] default ...
- Open Options/Setup Guide - choose the closest location and Run tests to find peers ...
Last option is to make the torrent Freeleech in order to connect from other peers ... and be patient ...
Soon a connection from peers will establish ...