问题 I'm trying to access LinkedIn's API using R and the httr package. When I execute the last oauth2.0_token() function, in order to gain an authorization token, I get the following error from LinkedIn: "The redirect_uri does not match the registered value" . I've set my redirected url on the LinkedIn Developer site to http://my_app_54321 Does anyone know what the solution is? # Packages library(httr) # Client info clientid <- "my_id" secret <- "my_secret" # App app <- oauth_app(appname = "app