Hi. What is your dotnet core version in project? And Did you add (register) HttpClient as middleware service in Startup.cs? I think this error occur HttpClient service difference between your code and dotnet version.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Hi. What is your dotnet core version in project? And Did you add (register) HttpClient as middleware service in Startup.cs? I think this error occur HttpClient service difference between your code and dotnet version.