[MC-10362] Keeps crashing on my Server

Me and my sister went on our LAN server, everytime she kept coming on my Minecraft crashed, this is very annoying.

Related issues

migrated 2013-02-26T21:32:11Z

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kumasasa 2013-02-26T21:32:49Z

Please attach the crash report.

migrated 2013-02-26T21:32:58Z

Please attach the crash report, otherwise this ticket is incomplete.

migrated 2013-02-26T21:36:44Z

Here it is 🙂

migrated 2013-02-26T21:37:24Z

Duplicate of MC-10312.