You have stated matters correctly, but you should understand that Mark was speaking of matters relating to ecclesiology which, for now, make up the subject of discussions. The innovative theology of the Latin Church cannot be dealt with without an Ecumenical Council and there will be no such council until we resolve the ecclesiology issue.
***The innovative theology of the Latin Church cannot be dealt with without an Ecumenical Council and there will be no such council until we resolve the ecclesiology issue.***
And that is how I understand it as well.