"All streaming servers are busy, please try again later"

Since the weekend, I have been getting a lot of "All streaming servers are busy, please try again later" errors, and I can't connect at all. Please fix this problem as soon as possible.

Also, the message "Estimated wait time: 7min 30s" is displayed, but even after waiting for 7 minutes and 30 seconds, I cannot connect. What is the process for "Estimated wait time"?