Did check this one https://stackoverflow.com/questions/50196282/http-post-and-get-request-in-angular-6
– Kannan DuraiSep 07 '18 at 07:07
1
Well, it seems like the backend that you query either does not have any resources or you specify a wrong link. If you share some code with us we could help you, without code there unfortunately are a million problems that may cause this behavior.
– Philipp MeissnerSep 07 '18 at 07:55