Help me canva activate student membership pro

I have authorised and linked my canva with github student account but im unable to get as that canva account was joind a team which i forgot and dont know who is the owner amd the administrator.
So im unable to activate my account.
Then i tried to linked another canva account but showing already linked to (edited by moderator) canva account.
So i deleted this account…
Please help me getting my canva pro student membership activated by github…
Please help…
The administrator email id is (edited by moderator)