Issue description:

try to log into server and it crashes server

What happens:

just log in and time out then crashes server

What you expected to happen:

log in and not crash the server

Steps to reproduce:

1.load minecraft
2.click multiplayer
3.click login
...

Version (make sure you are on the latest version before reporting):

• Minecraft:1.10.2
• Forge: 12.18.3.2281
• Refined Storage:1.2.25

Does this issue occur on a server? [yes/no]

If a (crash)log is relevant for this issue, link it here:

https://pastebin.com/zbJXK5T6
[pastebin/gist/etc link here]

Same as #1240