Yahoo Messenger "unable process request time error" Questions

...Unable to process request at this time -- error 999. i cannot log on to my yahoo messenger for 3 days now error display: Sorry, Unable to process request at this time -- error 999. visit some solus ...

Unable to process request at this time -- error 999. Error 999 on Yahoo! products is an error to say that, well, there is an error! This error code, Error 999, does not stand for any specific error ...

unable to process your account recovery request because there have been too many recent recovery requests for this account. To protect the security of the account, we limit the number of requests that