Here. I used the forum search function for you and found this.Just tried registering for the tracker, doesnt let me in, is there a waiting period from when you recieve the AOR to when you can register for the tracker?
https://www.canadavisa.com/canada-immigration-discussion-board/search/23089622/?q=Can’t+create+tracker+account&t=post&c[child_nodes]=1&c[nodes][0]=12&o=date