java.util.concurrent.ExecutionException

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    • java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(Unknown Source)[?:1.8.0_92] at java.util.concurrent.FutureTask.get(Unknown Source)[?:1.8.0_92] at net.minecraftforge.fml.common.FMLCommonHandler.callFuture(Unknown Source)[FMLCommonHandler.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(Unknown Source)[MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.tick(Unknown Source)[MinecraftServer.class:?] at net.minecraft.server.integrated.IntegratedServer.tick(Unknown Source)[IntegratedServer.class:?] at net.minecraft.server.MinecraftServer.run(Unknown Source)[MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source)[?:1.8.0_92] Caused by: java.lang.NullPointerException at com.microsoft.Malmo.Server.ServerStateMachine$WaitingForAgentsEpisode.onCastAssembled(ServerStateMachine.java:747)[ServerStateMachine$WaitingForAgentsEpisode.class:?] at com.microsoft.Malmo.Server.ServerStateMachine$WaitingForAgentsEpisode.onMessage(ServerStateMachine.java:626)[ServerStateMachine$WaitingForAgentsEpisode.class:?] at com.microsoft.Malmo.MalmoMod$MalmoMessageHandler$1.run(MalmoMod.java:382)[MalmoMod$MalmoMessageHandler$1.class:?] at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)[?:1.8.0_92] at java.util.concurrent.FutureTask.run(Unknown Source)[?:1.8.0_92] ... 6 more
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