[18:09:53] [Server thread/ERROR] [Sponge]: The Scheduler tried to run the task tabmanager-placeholder-updater owned by Plugin{id=tabmanager, name=TabManager, version=2.1.3-S7.0-MC1.12.2, description=Customize your tab list in Sponge., authors=[Proxying, RandomByte], source=plugins/TabManager-2.1.3-S7.0-MC1.12.2.jar}, but an error occured.
java.lang.NullPointerException: null
        at net.minecraft.scoreboard.ScorePlayerTeam.setCollisionRule(SourceFile:148) ~[bhh.class:?]
        at net.minecraft.scoreboard.ScorePlayerTeam.setCollisionRule(SourceFile:678) ~[bhh.class:?]
        at org.spongepowered.common.scoreboard.builder.SpongeTeamBuilder.build(SpongeTeamBuilder.java:181) ~[SpongeTeamBuilder.class:1.12.2-2838-7.1.7-RC3847]
        at uk.co.proxying.tabmanager.utils.ScoreHandler.addPlayerGroupData(ScoreHandler.java:52) ~[ScoreHandler.class:?]
        at uk.co.proxying.tabmanager.utils.Utilities.updateGroupPlayerName(Utilities.java:63) ~[Utilities.class:?]
        at uk.co.proxying.tabmanager.utils.Utilities.checkAndUpdateName(Utilities.java:98) ~[Utilities.class:?]
        at uk.co.proxying.tabmanager.TabManager.lambda$startUpdateTask$4(TabManager.java:456) ~[TabManager.class:?]
        at org.spongepowered.api.scheduler.Task$Builder.lambda$execute$0(Task.java:139) ~[Task$Builder.class:1.12.2-2838-7.1.7-RC3847]
        at org.spongepowered.common.scheduler.SchedulerBase.lambda$startTask$0(SchedulerBase.java:192) ~[SchedulerBase.class:1.12.2-2838-7.1.7-RC3847]
        at org.spongepowered.common.scheduler.SyncScheduler.executeTaskRunnable(SyncScheduler.java:74) ~[SyncScheduler.class:1.12.2-2838-7.1.7-RC3847]
        at org.spongepowered.common.scheduler.SchedulerBase.startTask(SchedulerBase.java:183) ~[SchedulerBase.class:1.12.2-2838-7.1.7-RC3847]
        at org.spongepowered.common.scheduler.SchedulerBase.processTask(SchedulerBase.java:169) ~[SchedulerBase.class:1.12.2-2838-7.1.7-RC3847]
        at java.util.concurrent.ConcurrentHashMap$ValuesView.forEach(ConcurrentHashMap.java:4707) [?:1.8.0_201]
        at org.spongepowered.common.scheduler.SchedulerBase.runTick(SchedulerBase.java:112) [SchedulerBase.class:1.12.2-2838-7.1.7-RC3847]
        at org.spongepowered.common.scheduler.SyncScheduler.tick(SyncScheduler.java:47) [SyncScheduler.class:1.12.2-2838-7.1.7-RC3847]
        at org.spongepowered.common.scheduler.SpongeScheduler.tickSyncScheduler(SpongeScheduler.java:189) [SpongeScheduler.class:1.12.2-2838-7.1.7-RC3847]
        at org.spongepowered.mod.SpongeMod.onTick(SpongeMod.java:417) [SpongeMod.class:1.12.2-2838-7.1.7-RC3847]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_54_SpongeMod_onTick_ServerTickEvent.invoke(.dynamic) [?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) [ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:752) [EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:702) [EventBus.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.onPreServerTick(FMLCommonHandler.java:279) [FMLCommonHandler.class:?]
        at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:657) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]