[01:00:27] [Server thread/ERROR]: Entity threw exception at world:-106.55348479903137,64.0,-96.91034367341445
java.util.ConcurrentModificationException
at java.base/java.util.ArrayList.checkForComodification(ArrayList.java:656) ~[?:?]
at java.base/java.util.ArrayList.equals(ArrayList.java:615) ~[?:?]
at net.minecraft.world.level.pathfinder.Path.sameAs(Path.java:113) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.ai.navigation.PathNavigation.moveTo(PathNavigation.java:261) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.ai.navigation.PathNavigation.moveTo(PathNavigation.java:229) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.PathfinderMob.closeRangeLeashBehaviour(PathfinderMob.java:67) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Leashable.tickLeash(Leashable.java:179) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Entity.baseTick(Entity.java:1018) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.LivingEntity.baseTick(LivingEntity.java:447) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Mob.baseTick(Mob.java:337) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Entity.tick(Entity.java:917) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3524) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Mob.tick(Mob.java:417) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.animal.equine.AbstractHorse.tick(AbstractHorse.java:631) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1612) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.level.ServerLevel.lambda$tick$5(ServerLevel.java:1028) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:55) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:1007) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.tickLevel(MinecraftServer.java:1865) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1968) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1717) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.dedicated.DedicatedServer.tickServer(DedicatedServer.java:492) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.processPacketsAndTick(MinecraftServer.java:1774) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1438) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:429) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at java.base/java.lang.Thread.run(Thread.java:1474) ~[?:?]
[01:02:39] [Server thread/ERROR]: Entity threw exception at world:-109.49839072083178,64.0,-75.76758986474066
java.util.ConcurrentModificationException
at java.base/java.util.ArrayList.checkForComodification(ArrayList.java:656) ~[?:?]
at java.base/java.util.ArrayList.equals(ArrayList.java:615) ~[?:?]
at net.minecraft.world.level.pathfinder.Path.sameAs(Path.java:113) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.ai.navigation.PathNavigation.moveTo(PathNavigation.java:261) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.ai.navigation.PathNavigation.moveTo(PathNavigation.java:229) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.npc.wanderingtrader.WanderingTrader$WanderToPositionGoal.tick(WanderingTrader.java:327) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.ai.goal.WrappedGoal.tick(WrappedGoal.java:63) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.ai.goal.GoalSelector.tickRunningGoals(GoalSelector.java:189) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.ai.goal.GoalSelector.tick(GoalSelector.java:175) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Mob.serverAiStep(Mob.java:849) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3845) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Mob.aiStep(Mob.java:552) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.AgeableMob.aiStep(AgeableMob.java:151) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.npc.wanderingtrader.WanderingTrader.aiStep(WanderingTrader.java:271) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3563) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.entity.Mob.tick(Mob.java:417) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1612) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.level.ServerLevel.lambda$tick$5(ServerLevel.java:1028) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:55) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:1007) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.tickLevel(MinecraftServer.java:1865) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1968) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1717) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.dedicated.DedicatedServer.tickServer(DedicatedServer.java:492) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.processPacketsAndTick(MinecraftServer.java:1774) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1438) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:429) ~[leaf-1.21.11.jar:1.21.11-20-9e82aaa]
at java.base/java.lang.Thread.run(Thread.java:1474) ~[?:?]