Yesterday I made a realm for me and my friends recently and we put it on peaceful when we made it for the first 5 days as a start then on day 6 i went to raise the difficulty to normal but it would not let me.
Everytime I backed out of the settings after changing it to normal it would reset to peaceful if I went back into settings.
No other settings would change either.
I tried giving a friend admin privileges too to try and fix it but they couldnt either. This is definitely an error on your end that needs to be fixed.
I tried to change it again today but still nothing.
If I am paying for a monthly subscription I expect the adaquete.
Because of this I am locked out of ender men, and so I am locked out of the end dimension, and thus I am locked out of actually beating the game.
Please fix this soon, this is not cool to have to put up with bugs on a premium subscription from you.
that probably means that you are not the moderator on the realm