There are no issues on our end regarding the XBOX servers so it’s possible that this might be linked to connectivity issues between your ISP and the server provider.
Could you ensure that your console is on a wired connection?
Have you tried to run a multiplayer connection test?
https://support.xbox.com/en-US/xbox-one/networking/multiplayer-connection-error-solution
Also, please check out what is your current NAT type:
https://support.xbox.com/en-US/xbox-one/networking/nat-error-solution