Can someone help me?

[warren (Warren Buckley)]

Yep as Huw mentions, missing closing }.
I also replied to this here where you also posted the question, would suggest to try and use one place to post your question then in multiple places.

I try to follow Paul Seal at Youtube

You need one more } in your appsettings JSON file, your Visual Studio is trying to help you by putting a green squiggle under line 38. Your error message also says there is an open JSON object or array that should be closed and gives you the line number 37. Can I suggest you sometimes copy and paste the file contents in the forum, as opposed to screenshots as it can be a little harder to debug and help and use the code button to help insert a code block. [A screenshot shows a person asking f…