StaticInjectorError

[nikkithought]

chat-widget.js:3 ERROR Error: StaticInjectorError(e)[e -> e]:
StaticInjectorError(Platform: core)[e -> e]:
NullInjectorError: No provider for e!
at e.get (chat-widget.js:3)
at chat-widget.js:3
at e (chat-widget.js:3)
at e.get (chat-widget.js:3)
at chat-widget.js:3
at e (chat-widget.js:3)
at e.get (chat-widget.js:3)
at so (chat-widget.js:3)
at e.get (chat-widget.js:3)
at Go (chat-widget.js:3)

[cagv24]

If you are using, for instance, HttpClientModule on a service, be sure you imported this module on the chat.module.ts.