No clue how to reproduce
but was reported multiple time from Elwyn Returnity and Cake Build
sample logfiles
{F10947}
{F10948}
{F10949}
{F10950}
NP in Question:
[2017-01-18 22:42:39] [CHANNELROUTER] RECEIVED MESSAGE ON Client(165): [CHAT][sender=Captain_Baconator][receiverType=CHANNEL][receiver=all][message=ive never been there]
[2017-01-18 22:42:39] CHANNEL RECEIVED MESSAGE: Client(165): Captain_Baconator: ive never been there; ML: 78
[2017-01-18 22:42:44] DRAWING TIME OF 351 elements: 26(26.026176); unifroms: 0.0; pointer 0.0; upChk 0.0; frust 0.0; update 0.0; draw: 0.0; totD: 0.0
[2017-01-18 22:42:50] DRAWING TIME OF 351 elements: 27(26.719313); unifroms: 0.0; pointer 0.0; upChk 0.0; frust 0.0; update 0.0; draw: 0.0; totD: 0.0
[2017-01-18 22:42:57] GLFRAME processErrorDialogException()
[2017-01-18 22:42:57] java.lang.NullPointerException
[2017-01-18 22:42:57] at obfuscated.aHc.e_(SourceFile:180)
[2017-01-18 22:42:57] at obfuscated.aGG.e_(SourceFile:128)
[2017-01-18 22:42:57] at obfuscated.hu.e(SourceFile:1732)
[2017-01-18 22:42:57] at obfuscated.hO.e_(SourceFile:415)
[2017-01-18 22:42:57] at obfuscated.hp.e(SourceFile:562)
[2017-01-18 22:42:57] at obfuscated.hp.b(SourceFile:736)
[2017-01-18 22:42:57] at obfuscated.hp.e_(SourceFile:435)
[2017-01-18 22:42:57] at obfuscated.aEu.g(SourceFile:546)
[2017-01-18 22:42:57] at obfuscated.aEu.a(SourceFile:686)
[2017-01-18 22:42:57] at obfuscated.aEA.b(SourceFile:652)
[2017-01-18 22:42:57] at obfuscated.U.e(SourceFile:953)
[2017-01-18 22:42:57] at org.schema.game.common.Starter.startMainMenu(SourceFile:1434)
[2017-01-18 22:42:57] at org.schema.game.common.Starter.main(SourceFile:980)
[2017-01-18 22:43:00] [CLIENT] Server message: %s left the game.