{"action":"reopened","issue":{"url":"https://api.github.com/repos/SpongePowered/SpongeCommon/issues/678","repository_url":"https://api.github.com/repos/SpongePowered/SpongeCommon","labels_url":"https://api.github.com/repos/SpongePowered/SpongeCommon/issues/678/labels{/name}","comments_url":"https://api.github.com/repos/SpongePowered/SpongeCommon/issues/678/comments","events_url":"https://api.github.com/repos/SpongePowered/SpongeCommon/issues/678/events","html_url":"https://github.com/SpongePowered/SpongeCommon/issues/678","id":151775524,"number":678,"title":"Entity Already Tracked","user":{"login":"DarkArc","id":778012,"avatar_url":"https://avatars.githubusercontent.com/u/778012?v=3","gravatar_id":"","url":"https://api.github.com/users/DarkArc","html_url":"https://github.com/DarkArc","followers_url":"https://api.github.com/users/DarkArc/followers","following_url":"https://api.github.com/users/DarkArc/following{/other_user}","gists_url":"https://api.github.com/users/DarkArc/gists{/gist_id}","starred_url":"https://api.github.com/users/DarkArc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DarkArc/subscriptions","organizations_url":"https://api.github.com/users/DarkArc/orgs","repos_url":"https://api.github.com/users/DarkArc/repos","events_url":"https://api.github.com/users/DarkArc/events{/privacy}","received_events_url":"https://api.github.com/users/DarkArc/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/SpongePowered/SpongeCommon/labels/bug","name":"bug","color":"D10800"}],"state":"open","locked":false,"assignee":{"login":"simon816","id":1497508,"avatar_url":"https://avatars.githubusercontent.com/u/1497508?v=3","gravatar_id":"","url":"https://api.github.com/users/simon816","html_url":"https://github.com/simon816","followers_url":"https://api.github.com/users/simon816/followers","following_url":"https://api.github.com/users/simon816/following{/other_user}","gists_url":"https://api.github.com/users/simon816/gists{/gist_id}","starred_url":"https://api.github.com/users/simon816/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/simon816/subscriptions","organizations_url":"https://api.github.com/users/simon816/orgs","repos_url":"https://api.github.com/users/simon816/repos","events_url":"https://api.github.com/users/simon816/events{/privacy}","received_events_url":"https://api.github.com/users/simon816/received_events","type":"User","site_admin":false},"milestone":null,"comments":4,"created_at":"2016-04-29T01:05:14Z","updated_at":"2016-04-29T13:56:15Z","closed_at":null,"body":"```\r\n[17:00:27] [Server thread/ERROR]: \"Silently\" catching entity tracking error.\r\nnet.minecraft.util.ReportedException: Adding entity to track\r\n        at net.minecraft.entity.EntityTracker.func_72785_a(EntityTracker.java:225) ~[la.class:?]\r\n        at net.minecraft.entity.EntityTracker.func_72786_a(EntityTracker.java:148) ~[la.class:?]\r\n        at net.minecraft.world.WorldManager.func_72703_a(SourceFile:30) ~[lb.class:?]\r\n        at net.minecraft.world.World.func_72923_a(World.java:1135) ~[adm.class:?]\r\n        at net.minecraft.world.WorldServer.func_72923_a(WorldServer.java:945) ~[le.class:?]\r\n        at net.minecraft.world.World.onSpongeEntityAdded(World.java:576) ~[adm.class:?]\r\n        at org.spongepowered.common.event.CauseTracker.processSpawnEntity(CauseTracker.java:1087) ~[CauseTracker.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at net.minecraft.world.World.spawnEntity(World.java:314) ~[adm.class:?]\r\n        at com.skelril.skree.content.zone.group.shnugglesprime.ShnugglesPrimeInstance.runAttack(ShnugglesPrimeInstance.java:467) ~[ShnugglesPrimeInstance.class:?]\r\n        at com.skelril.skree.content.zone.group.shnugglesprime.ShnugglesPrimeInstance.runRandomAttack(ShnugglesPrimeInstance.java:264) ~[ShnugglesPrimeInstance.class:?]\r\n        at com.skelril.skree.content.zone.group.shnugglesprime.ShnugglesPrimeInstance.run(ShnugglesPrimeInstance.java:129) ~[ShnugglesPrimeInstance.class:?]\r\n        at com.skelril.skree.content.zone.group.shnugglesprime.ShnugglesPrimeManager.run(ShnugglesPrimeManager.java:397) ~[ShnugglesPrimeManager.class:?]\r\n        at org.spongepowered.api.scheduler.Task$Builder.lambda$execute$0(Task.java:138) ~[Task$Builder.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at org.spongepowered.common.scheduler.SchedulerBase.lambda$startTask$0(SchedulerBase.java:177) ~[SchedulerBase.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at org.spongepowered.common.scheduler.SyncScheduler.executeTaskRunnable(SyncScheduler.java:66) ~[SyncScheduler.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at org.spongepowered.common.scheduler.SchedulerBase.startTask(SchedulerBase.java:174) ~[SchedulerBase.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at org.spongepowered.common.scheduler.SchedulerBase.processTask(SchedulerBase.java:160) ~[SchedulerBase.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at java.util.concurrent.ConcurrentHashMap$ValuesView.forEach(ConcurrentHashMap.java:4707) [?:1.8.0_03-Ubuntu]\r\n        at org.spongepowered.common.scheduler.SchedulerBase.runTick(SchedulerBase.java:104) [SchedulerBase.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at org.spongepowered.common.scheduler.SyncScheduler.tick(SyncScheduler.java:41) [SyncScheduler.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at org.spongepowered.common.scheduler.SpongeScheduler.tickSyncScheduler(SpongeScheduler.java:191) [SpongeScheduler.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at org.spongepowered.mod.SpongeMod.onTick(SpongeMod.java:220) [SpongeMod.class:1.8.9-1808-4.1.0-BETA-0]\r\n        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_8_SpongeMod_onTick_ServerTickEvent.invoke(.dynamic) [?:?]\r\n        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49) [ASMEventHandler.class:?]\r\n        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:84) [EventBus.class:?]\r\n        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:60) [EventBus.class:?]\r\n        at net.minecraftforge.fml.common.FMLCommonHandler.onPreServerTick(FMLCommonHandler.java:266) [FMLCommonHandler.class:?]\r\n        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:594) [MinecraftServer.class:?]\r\n        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) [MinecraftServer.class:?]\r\n        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_03-Ubuntu]\r\nCaused by: java.lang.IllegalStateException: Entity is already tracked!\r\n        at net.minecraft.entity.EntityTracker.func_72785_a(EntityTracker.java:192) ~[la.class:?]\r\n        ... 29 more\r\n```\r\n\r\nI believe this relates to: https://github.com/SpongePowered/SpongeCommon/commit/d07457a7b552919581595649bb7e2767d8e92e88"}}