While connected to a LAN game with cheats enabled, using /kill @e[type!=Player] and later using the /say @e command causes the game to loose connection. This is the error:
Connection Lost
Internal Exception: io.netty.handler.codec.DecoderException:
java.langIndexOutOfBoundsException: readerIndex(1) + length(1)
exceeds writerIndex(1): UnpooledHeapByteBuf(ridx: 1, widx:1, cap: 1)
MC-96520
@e selector causes disconnect
Resolved
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0
On a side note, you typed your /kill selector wrong, it's @e[type=!Player] instead of @e[type!=Player]