Xbox live log in problem and Invite friend to my own map/world

Hi,I have a problem on my MC:PE when I launch my game and go to reals it keeps saying that ''we tried to sign in your Xbox Live Account,but something went wrong'' when I press ''sign in'' button nothing happens sometimes it takes a lot of pressing to show up the Xbox Live website and about the invite friend problem when I create a map or world and invite my friend he told me that there was no invite,I even tried it to my another acc on my other device (android) nothing happens even I use that acc and invite my primary acc STILL NOTHING happens...Please fix the bug as soon as possible,I play MC:PE for a long time and encountered alot of bugs but This bug is the worst.