@Grewal1322 @rav22 I also had same issue with PR card application linking. Tried the city of birth in format e.g. CITY, STATE and it finally worked for me. There is a space between comma and state. Also, STATE should be in full, no abbreviations.
https://www.canadavisa.com/canada-immigration-discussion-board/threads/separated-from-wife-but-no-divorce-cic-asked-for-divorce-certificate-what-should-i-do.530499/
Might find some info here
Hi, I got 2 GUs, one on 20 Jul and another on 22 Jul, really nervous now.
CEC inland
AOR - May 24
Med, Bio - June 17
GU Jul 20
GU Jul 22
Never called IRCC, don't know any other info about status.