Angular 2 - Can't resolve all parameters for component: (?)

Question

I started an Angular2 app and I have an issue since days !

Can\'t resolve all parameters for HomeComponent: (?).(…) 

But my issue is not a

Answer 1

The issue that raised this error for me was completely different. I had a logging category in the component that I had mistakenly used in the service, and thus the service had a dependency on the component and wasn't able to be created in time for it to be injected into the component.

TL;DR: Check the imports on the service that can't be injected.