Basic Functionality Not Working

Put the summary of the bug you're having here

What I expected to happen was...:
After starting up my realm Dark Oz, everything worked fine. The basic controls and functionality like viewing barrel, right clicking to go to sleep, etc

What actually happened was...:
My WiFi dropped and I got disconnected for at least 2 minutes. When I returned my friends functionality was not working anymore

Steps to Reproduce:
1. Create a new realm and connect
2. Run the game for a bit
3. Temporily switch wifi / internet off and on