Problem editing an answer? Error 999?

Wah!! I was editing an answer for a question i was answering and it won't let me post the answer? This is what it says.

Sorry, Unable to process request at this time -- error 999.

Unfortunately we are unable to process your request at this time. This error is usually temporary. Please try again later.

If you continue to experience this error, it may be caused by one of the following:

You may want to scan your system for spyware and viruses, as they may interfere with your ability to connect to Yahoo!. For detailed information on spyware and virus protection, please visit the Yahoo! Security Center.

This problem may be due to unusual network activity coming from your Internet Service Provider. We recommend that you report this problem to them.

While this error is usually temporary, if it continues and the above solutions don't resolve your problem, please let us know.