Unable To See Realms or Invites

   So I was 2 days ago able to play on my Uncles realm, the next day I tried to play but the realm was not showing up. I told him to unadd me and readd me but that did not work, I did not even get an invite. I've done everything I could, restart stuff, re-invites, but nothing worked. I cannot receive a invite from the realm even though the list says I am added, nor can I see the realm at all. 
   And for everyone's information it does not have to deal with that 1.19.1 report players for abusive content. 

   Please help me fix this because I really want to keep playing on that realm and playing with my family.