Even youtubers are telling you what a bad idea canceling soloQ is. When will you listen?
https://www.youtube.com/watch?v=ahItzHevJxM
Basically this.
Your Dynamic Queue system is a failure in terms of providing gameplay for people who want to test their skills, because its testing "who got the better premade" - luck factor instead.
Face it Rito, your system FAILED providing for a majority of your community. Its time to admit that.