Error when trying to inject a service into an angular component “EXCEPTION: Can't resolve all parameters for component”, why?

Question

I\'ve built a basic app in Angular, but I have encountered a strange issue where I cannot inject a service into one of my components. It injects fine into any of the three o

Answer 1

Another possibility is not having emitDecoratorMetadata set to true in tsconfig.json

{
  "compilerOptions": {

     ...

    "emitDecoratorMetadata": true,

     ...

    }

}