playing a modded realm, this issue happens on modded and unmodded realms as well. I was kicked saying "you are not invited to this server" but I put in the invite code to enter the realm 15 minutes before

Put the summary of the bug you're having here

What I expected to happen was I could continue playing all day.
Describe what you thought should happen here

What actually happened was I was kicked in the middle of traveling.
Describe what happened here

Steps to Reproduce:
1. enter a realm
2. Wait roughly 15–30 
minutes