Minecraft PE, I can't login to my account

Good afternoon! ) I just wanted to report a bug I always get when I try loving in to my minecraft pe account! Every time I try I get the message "We could not sign you into your Microsoft Account. Access to Realms, Profiles and your Marketplace items will be limited. Please try again later. Error code: Ghast" I have already tried restarting the app as well as my device, I hope we can find a solution to this issue! Thank you so so much for your help!!! :DD