Follow this list to try and fix problems sending friend requests in Spyder.
Login to MySpace from a web browser, such as Safari or Firefox and try sending a friend request. If there is a problem you should see an error. Try sending the friend request to one of your other accounts to see if it arrives.
If the friend requests doesn't arrive your account may be blocked.
Perform a new search. Try sending a friend request to one of the people in the search results. You may have a stale user library that needs to be updated.