For router error, restarting routers or switching the network can help. However, the current outage seemingly stems from an outage on Discord's server, and a fix will come from their end.

So, on the subject of how to fix Discord’s sorry you have been blocked Cloudflare error, the only fix is to wait.

We’ve already had a look at how to use Discord on PS5 and how to delete your Discord account, but for now we’re going to be going over how to fix Discord when it’s not turning starting ...

Fix #1: Refresh the Discord app. When dealing with any issues with Discord Messages, the very first thing that you need to do is to ensure that you restart the app itself.