When publishing, I get an incomprehensible response operation.result {"id":"0"}, how to fix it?

Question

Classmates

When publishing in the published window, the answer comes operation.result
{"id":"0"}
What it means is not clear. At the same time, the post is not published in the feed, it is not clear why.
Tell me please.

Answer 1

The widget can only be used after the application has been approved. To receive an approval, send your application id and the URL of the site from which publications will be made to the address: [email protected]