[21:29:54] [Server thread/FATAL] [minecraft/ThreadTaskExecutor]: Error executing task on Server java.lang.NullPointerException: null at net.minecraft.entity.player.ServerPlayerEntity.func_175141_a(ServerPlayerEntity.java:1125) ~[?:?] {re:classloading,pl:accesstransformer:B} at net.
minecraft.item.SignItem.func_195943_a(SignItem.java:22) ~[?:?] {re:classloading} at net.minecraft.item.BlockItem.func_195942_a(BlockItem.java:74) ~[?:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.item.BlockItem.func_195939_a(BlockItem.java:42) ~[?:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraftforge.common.ForgeHooks.onPlaceItemIntoWorld(ForgeHooks.java:644) ~[forge:?] {re:classloading} at net.minecraft.item.ItemStack.func_196084_a(ItemStack.java:216) ~[?:?] {re:classloading,xf:fml:forge:filled_map.4,xf:fml:forge:itemstack,pl:runtimedistcleaner:A} at net.minecraft.server.management.PlayerInteractionManager.func_219441_a(PlayerInteractionManager.java:511) ~[?:?] {re:classloading} at net.minecraft.network.play.ServerPlayNetHandler.func_184337_a(ServerPlayNetHandler.java:1379) ~[?:?] {re:mixin,re:classloading,pl:mixin:A} at net.minecraft.network.play.client.CPlayerTryUseItemOnBlockPacket.func_148833_a(CPlayerTryUseItemOnBlockPacket.java:38) ~[?:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.network.play.client.CPlayerTryUseItemOnBlockPacket.func_148833_a(CPlayerTryUseItemOnBlockPacket.java:12) ~[?:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.network.PacketThreadUtil.func_225383_a(PacketThreadUtil.java:22) ~[?:?] {re:classloading} at net.minecraft.util.concurrent.TickDelayedTask.run(SourceFile:18) ~[?:?] {re:classloading} at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213166_h(SourceFile:144) ~[?:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.util.concurrent.RecursiveEventLoop.func_213166_h(SourceFile:23) ~[?:?] {re:classloading} at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:976) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:184) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213168_p(SourceFile:118) ~[?:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.func_213205_aW(MinecraftServer.java:959) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.server.MinecraftServer.func_213168_p(MinecraftServer.java:953) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213161_c(SourceFile:127) ~[?:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.func_213202_o(MinecraftServer.java:939) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:873) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:286) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at java.lang.Thread.run(Thread.java:748) [?:1.8.0_312] {}