1.12.2

[l0b5ter]

Hiii, after using minetweaker to change some recipes, im getting some errors in my console. Related to 'built-in advancements' that dont exist. Theres no serious issue with them, but its spamming my console. So would be nice to know of a fix, to remove those errors in console.

[B#757] [23:03:14] [Server thread/ERROR]: Parsing error loading built-in advancement horsepower:recipes/hand_grindstone [B#757] com.google.gson.JsonSyntaxException: Unknown recipe 'horsepower:hand_grindstone' [B#757] at net.minecraft.advancements.AdvancementRewards$Deserializer.deserialize(AdvancementRewards.java:171) ~[l$a.class:?] [B#757] at net.minecraft.advancements.AdvancementRewards$Deserializer.deserialize(AdvancementRewards.java:147) ~[l$a.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:69) ~[TreeTypeAdapter.class:?] [B#757] at com.google.gson.Gson.fromJson(Gson.java:887) ~[Gson.class:?] [B#757] at com.google.gson.Gson.fromJson(Gson.java:952) ~[Gson.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter$GsonContextImpl.deserialize(TreeTypeAdapter.java:162) ~[TreeTypeAdapter$GsonContextImpl.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188179_a(SourceFile:439) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188177_a(SourceFile:455) ~[rc.class:?] [B#757] at net.minecraft.advancements.Advancement$Builder.func_192059_a(SourceFile:203) ~[i$a.class:?] [B#757] at net.minecraft.advancements.AdvancementManager$1.deserialize(AdvancementManager.java:50) ~[ns$1.class:?] [B#757] at net.minecraft.advancements.AdvancementManager$1.deserialize(AdvancementManager.java:46) ~[ns$1.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:69) ~[TreeTypeAdapter.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188173_a(SourceFile:492) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188176_a(SourceFile:517) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188178_a(SourceFile:537) ~[rc.class:?] [B#757] at net.minecraftforge.common.ForgeHooks.lambda$loadAdvancements$0(ForgeHooks.java:1381) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.ForgeHooks$$Lambda$2249/1902126972.apply(Unknown Source) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.crafting.CraftingHelper.findFiles(CraftingHelper.java:833) [CraftingHelper.class:?] [B#757] at net.minecraftforge.common.ForgeHooks.loadAdvancements(ForgeHooks.java:1359) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.ForgeHooks.loadAdvancements(ForgeHooks.java:1326) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraft.advancements.AdvancementManager.func_192779_a(AdvancementManager.java:69) [ns.class:?] [B#757] at net.minecraft.server.MinecraftServer.func_193031_aM(MinecraftServer.java:1429) [MinecraftServer.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.FTBLibAPI.reloadServer(FTBLibAPI.java:105) [FTBLibAPI.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.Universe.load(Universe.java:517) [Universe.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.Universe.onServerStarted(Universe.java:128) [Universe.class:?] [B#757] at com.feed_the_beast.ftblib.FTBLib.onServerStarted(FTBLib.java:120) [FTBLib.class:?] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:637) [FMLModContainer.class:?] [B#757] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) ~[?:?] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?] [B#757] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?] [B#757] at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) [LoadController.class:?] [B#757] at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) [LoadController.class:?] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?] [B#757] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?] [B#757] at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) [LoadController.class:?] [B#757] at net.minecraftforge.fml.common.Loader.serverStarted(Loader.java:804) [Loader.class:?] [B#757] at net.minecraftforge.fml.common.FMLCommonHandler.handleServerStarted(FMLCommonHandler.java:302) [FMLCommonHandler.class:?] [B#757] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:488) [MinecraftServer.class:?] [B#757] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51] [B#757] [23:03:14] [Server thread/ERROR]: Parsing error loading built-in advancement horsepower:recipes/grindstone [B#757] com.google.gson.JsonSyntaxException: Unknown recipe 'horsepower:grindstone' [B#757] at net.minecraft.advancements.AdvancementRewards$Deserializer.deserialize(AdvancementRewards.java:171) ~[l$a.class:?] [B#757] at net.minecraft.advancements.AdvancementRewards$Deserializer.deserialize(AdvancementRewards.java:147) ~[l$a.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:69) ~[TreeTypeAdapter.class:?] [B#757] at com.google.gson.Gson.fromJson(Gson.java:887) ~[Gson.class:?] [B#757] at com.google.gson.Gson.fromJson(Gson.java:952) ~[Gson.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter$GsonContextImpl.deserialize(TreeTypeAdapter.java:162) ~[TreeTypeAdapter$GsonContextImpl.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188179_a(SourceFile:439) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188177_a(SourceFile:455) ~[rc.class:?] [B#757] at net.minecraft.advancements.Advancement$Builder.func_192059_a(SourceFile:203) ~[i$a.class:?] [B#757] at net.minecraft.advancements.AdvancementManager$1.deserialize(AdvancementManager.java:50) ~[ns$1.class:?] [B#757] at net.minecraft.advancements.AdvancementManager$1.deserialize(AdvancementManager.java:46) ~[ns$1.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:69) ~[TreeTypeAdapter.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188173_a(SourceFile:492) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188176_a(SourceFile:517) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188178_a(SourceFile:537) ~[rc.class:?] [B#757] at net.minecraftforge.common.ForgeHooks.lambda$loadAdvancements$0(ForgeHooks.java:1381) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.ForgeHooks$$Lambda$2249/1902126972.apply(Unknown Source) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.crafting.CraftingHelper.findFiles(CraftingHelper.java:833) [CraftingHelper.class:?] [B#757] at net.minecraftforge.common.ForgeHooks.loadAdvancements(ForgeHooks.java:1359) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.ForgeHooks.loadAdvancements(ForgeHooks.java:1326) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraft.advancements.AdvancementManager.func_192779_a(AdvancementManager.java:69) [ns.class:?] [B#757] at net.minecraft.server.MinecraftServer.func_193031_aM(MinecraftServer.java:1429) [MinecraftServer.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.FTBLibAPI.reloadServer(FTBLibAPI.java:105) [FTBLibAPI.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.Universe.load(Universe.java:517) [Universe.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.Universe.onServerStarted(Universe.java:128) [Universe.class:?] [B#757] at com.feed_the_beast.ftblib.FTBLib.onServerStarted(FTBLib.java:120) [FTBLib.class:?] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:637) [FMLModContainer.class:?] [B#757] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) ~[?:?] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?] [B#757] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?] [B#757] at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) [LoadController.class:?] [B#757] at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) [LoadController.class:?] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?] [B#757] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?] [B#757] at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) [LoadController.class:?] [B#757] at net.minecraftforge.fml.common.Loader.serverStarted(Loader.java:804) [Loader.class:?] [B#757] at net.minecraftforge.fml.common.FMLCommonHandler.handleServerStarted(FMLCommonHandler.java:302) [FMLCommonHandler.class:?] [B#757] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:488) [MinecraftServer.class:?] [B#757] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51] [B#757] [23:03:14] [Server thread/ERROR]: Parsing error loading built-in advancement horsepower:recipes/dough [B#757] com.google.gson.JsonSyntaxException: Unknown recipe 'horsepower:dough' [B#757] at net.minecraft.advancements.AdvancementRewards$Deserializer.deserialize(AdvancementRewards.java:171) ~[l$a.class:?] [B#757] at net.minecraft.advancements.AdvancementRewards$Deserializer.deserialize(AdvancementRewards.java:147) ~[l$a.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:69) ~[TreeTypeAdapter.class:?] [B#757] at com.google.gson.Gson.fromJson(Gson.java:887) ~[Gson.class:?] [B#757] at com.google.gson.Gson.fromJson(Gson.java:952) ~[Gson.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter$GsonContextImpl.deserialize(TreeTypeAdapter.java:162) ~[TreeTypeAdapter$GsonContextImpl.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188179_a(SourceFile:439) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188177_a(SourceFile:455) ~[rc.class:?] [B#757] at net.minecraft.advancements.Advancement$Builder.func_192059_a(SourceFile:203) ~[i$a.class:?] [B#757] at net.minecraft.advancements.AdvancementManager$1.deserialize(AdvancementManager.java:50) ~[ns$1.class:?] [B#757] at net.minecraft.advancements.AdvancementManager$1.deserialize(AdvancementManager.java:46) ~[ns$1.class:?] [B#757] at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:69) ~[TreeTypeAdapter.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188173_a(SourceFile:492) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188176_a(SourceFile:517) ~[rc.class:?] [B#757] at net.minecraft.util.JsonUtils.func_188178_a(SourceFile:537) ~[rc.class:?] [B#757] at net.minecraftforge.common.ForgeHooks.lambda$loadAdvancements$0(ForgeHooks.java:1381) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.ForgeHooks$$Lambda$2249/1902126972.apply(Unknown Source) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.crafting.CraftingHelper.findFiles(CraftingHelper.java:833) [CraftingHelper.class:?] [B#757] at net.minecraftforge.common.ForgeHooks.loadAdvancements(ForgeHooks.java:1359) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraftforge.common.ForgeHooks.loadAdvancements(ForgeHooks.java:1326) [ForgeHooks.class:14.23.5.2855] [B#757] at net.minecraft.advancements.AdvancementManager.func_192779_a(AdvancementManager.java:69) [ns.class:?] [B#757] at net.minecraft.server.MinecraftServer.func_193031_aM(MinecraftServer.java:1429) [MinecraftServer.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.FTBLibAPI.reloadServer(FTBLibAPI.java:105) [FTBLibAPI.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.Universe.load(Universe.java:517) [Universe.class:?] [B#757] at com.feed_the_beast.ftblib.lib.data.Universe.onServerStarted(Universe.java:128) [Universe.class:?] [B#757] at com.feed_the_beast.ftblib.FTBLib.onServerStarted(FTBLib.java:120) [FTBLib.class:?] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:637) [FMLModContainer.class:?] [B#757] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) ~[?:?] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?] [B#757] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?] [B#757] at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) [LoadController.class:?] [B#757] at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) [LoadController.class:?] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] [B#757] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] [B#757] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] [B#757] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] [B#757] at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?] [B#757] at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?] [B#757] at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?] [B#757] at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) [LoadController.class:?] [B#757] at net.minecraftforge.fml.common.Loader.serverStarted(Loader.java:804) [Loader.class:?] [B#757] at net.minecraftforge.fml.common.FMLCommonHandler.handleServerStarted(FMLCommonHandler.java:302) [FMLCommonHandler.class:?] [B#757] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:488) [MinecraftServer.class:?] [B#757] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]

This is related to issue:
#35