Friend rejecting OAuth key

Finding the cause

There are a few causes that could produce this erroneous state. To get more information about it, we can try to set up a Project Association with this remote application.

During the Project Association procedure, after selecting the Association Type, you should see an error notification on the top right of the page:

Click the Show details link in the notification popup to get more information about the problem:

Here, you can find a short description of the issue, which should give you a better understanding of what’s happening.

If you have such a message, you may proceed to the Resolutions section.

Else, you may be experiencing a Failed authentication or authentication loops.

Resolutions

Depending on the error you’re seeing, one of these pages will help you solve the problem:

If the problem persists, you may want to review the article around Failed authentication or authentication loops.