Namespace Registries issue

 Issue:

 Namespace Registries → Link Namespace fails with 

error=invalid_request&error_description=missing required code challenge 

Connected App: SalesforceDX Namespace Registry — Require Proof Key for Code Exchange (PKCE) is checked and read-only

 (“contact Support”). 

How unlock/disable PKCE on this Connected App ? 

We need link a namespace for managed 2GP / AppExchange.  

#Trailhead Challenges