A friend entry with the same root services URI for the HP ALM Adapter already exists at {0}.
Explanation
The Jazz server already has a friend entry for the Rational HP ALM Adapter. Only one friend entry can exist from Jazz for a rootservices URI.
User response
If the remote friend entry is valid, you can create a friend from the HP ALM Adapter to the remote server. You can clear the "Attempt to friend the HP ALM adapter from the remote application" option. If the remote friend entry is no longer valid, delete it from the Jazz server and try again.