[MC-104301] Game crushes with JIRA issues MC-103978 and MC-103981

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

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

Environment

OS: Windows 7 (ver 6.1, arch amd64)
Java: 1.8.0_25 (by Oracle Corporation)
Launcher: Minecraft Launcher 1.6.61 (bootstrap 100)
Minecraft: 1.10.1 (updated Wed Jun 22 06:14:48 EDT 2016)

Linked issues

duplicates 1

MC-103978 "Server forgot to send required information to construct BlockEntity" when joining a server (Caused by modded servers) Resolved

Attachments

crash-2016-06-23_02.14.14-client.txt

Comments 4

migrated 2016-06-22T22:05:56Z

Please attach the crash report ([minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/crash-reports/crash-<DATE>-client.txt), otherwise we can not diagnose this issue.
For technical support please use the Mojang Support Center.

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migrated 2016-06-23T00:21:46Z

This is the crash report file. Please fix this issue.

migrated 2016-06-23T11:31:22Z

I actually figured out how to fix this! If you are on 1.10.1, that can cause issues for servers. Switch back to 1.10, and everything should work fine!

migrated 2016-06-23T11:44:50Z

please tell me step by step how to go back to 1.10