Angular 7 - Multiple outlets : Error: Cannot activate an already activated outlet

Question

Here is the issue that I\'m encountering with Angular 7 :

I have two outlets : the main app router outlet, and a secondary outlet named \'administration\'.

W

Answer 1

This might be silly, but for anyone looking for a solution to this: Make sure that in there's no undefined variable in any of the inner or children outlets.

I fixed this in my project and everything is back to normal.