These are the steps ....Thankyou for your update.
How are you linking the accounts?
How to Link My PR Card Application to MyCIC Account
How to link my PR Card application to MyCIC account
Follow the below steps only after you have landed. It gives only 5 attempts in one day.
1) log in to the CIC account.
2) Go to the section “Link an existing application to this account”. Click on the “Link application to this account” button.
3) Select category as PR Card
4) Select “Unique Client Identifier (UCI) and Family Name”
5) Fill in required details (please make sure capital, small, comma etc.)
6) Provide landing date in “Date you became a permanent resident”
7) Click on search for my application.
8) after the application is searched make sure you submit the application else not linked.
Once you have successfully linked your application it will show you as “Submitted” status and once it is ready for dispatch it will go into “Approved” status.