disappearance of servers and unknown host when readding them

Put the summary of the bug you're having here

*What I expected to happen was...:opening minecraft servers
Describe what you thought should happen here

*What actually happened was...:the servers all disappeard and i cant see them in my server lists
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. tell me how to fix the bug
3. ...