Thanks for your help.
Application: Family class - Spouse - Outland
I live in Canada and I am a canadian.
I am the sponsor of the applicant.
I am also the unpaid representative of the applicant.
We have one children - He is already registered as canadian citizen.
I have made different requests to link the application to an online account.
Each time it would say - No Document Match.
Sure the spellings are correct. Even the capitals.
In the number of people in the applicantion, I have tried : 1 (Applicant), 2 (App + Sponsor), 3 (App + Sponsor + Children)
As I understand it should be 2 (App + Sponsor) because our children is already canadian.
What could be wrong ? Is it because I am the unpaid representative ?
I beleive that I have been misleaded by some other posts. Reading the following extract, I understand that only the applicant can link their paper applicantion to an online account. But if they have a representative they cannot. As well, an unpaid representative cannot link the application.
Applicant has an unpaid rep ... No link possible ???
Extract from:
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/application-forms-guides/guide-5525-basic-guide-sponsor-your-spouse-partner-child.html#expect
Step 8: After you submit your application
Communicating with IRCC
Do not attempt to link your application to your personal online account if you have appointed a representative. If you have appointed a representative and attempt to link your application to your own online account, you will have to cancel your representative before you can link.
If you have an authorized paid representative, they can link your application to their own online account instead.
Unpaid representatives cannot use online accounts. If you have an unpaid representative, you should remind them to regularly monitor their e-mail and mail to ensure correspondence is received.