I followed this microsoft document https://learn.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-auth-code-flow.I tried too many times ,but i still encounter this error.Which step did I do wrong? enter image description here
Your link is invalid. According to the picture you provided, you should be using auth code flow. I am trying to reproduce your problem:
The reason for the error is that you have used the wrong code
. Please check your code to make sure it is correct.