21.09 09:57:19 [Server] Server thread/ERROR [minecraft/MinecraftServer]: Encountered an unexpected exception
21.09 09:57:19 [Server] INFO net.minecraft.util.ReportedException: Ticking entity
21.09 09:57:19 [Server] INFO 	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:773) ~[MinecraftServer.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) ~[nz.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) ~[MinecraftServer.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
21.09 09:57:19 [Server] INFO 	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_211]
21.09 09:57:19 [Server] INFO Caused by: java.lang.IllegalArgumentException: Cannot get property PropertyInteger{name=layers, clazz=class java.lang.Integer, values=[1, 2, 3, 4, 5, 6, 7, 8]} as it does not exist in BlockStateContainer{block=minecraft:grass, properties=[snowy]}
21.09 09:57:19 [Server] INFO 	at net.minecraft.block.state.BlockStateContainer$StateImplementation.func_177229_b(BlockStateContainer.java:201) ~[awu$a.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.block.BlockSnow.func_176200_f(BlockSnow.java:159) ~[atw.class:?]
21.09 09:57:19 [Server] INFO 	at electroblob.wizardry.util.WizardryUtilities$SurfaceCriteria.lambda$static$4(WizardryUtilities.java:273) ~[WizardryUtilities$SurfaceCriteria.class:?]
21.09 09:57:19 [Server] INFO 	at electroblob.wizardry.util.WizardryUtilities.getNearestSurface(WizardryUtilities.java:218) ~[WizardryUtilities.class:?]
21.09 09:57:19 [Server] INFO 	at electroblob.wizardry.spell.ForestOfThorns.summonThorns(ForestOfThorns.java:72) ~[ForestOfThorns.class:?]
21.09 09:57:19 [Server] INFO 	at electroblob.wizardry.spell.ForestOfThorns.cast(ForestOfThorns.java:44) ~[ForestOfThorns.class:?]
21.09 09:57:19 [Server] INFO 	at electroblob.wizardry.entity.living.EntityAIAttackSpell.attemptCastSpell(EntityAIAttackSpell.java:216) ~[EntityAIAttackSpell.class:?]
21.09 09:57:19 [Server] INFO 	at electroblob.wizardry.entity.living.EntityAIAttackSpell.func_75246_d(EntityAIAttackSpell.java:191) ~[EntityAIAttackSpell.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.ai.EntityAITasks.func_75774_a(SourceFile:129) ~[xf.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.EntityLiving.func_70626_be(EntityLiving.java:763) ~[vq.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2359) ~[vp.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:577) ~[vq.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.monster.EntityMob.func_70636_d(EntityMob.java:45) ~[ade.class:?]
21.09 09:57:19 [Server] INFO 	at electroblob.wizardry.entity.living.EntityEvilWizard.func_70636_d(EntityEvilWizard.java:192) ~[EntityEvilWizard.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2179) ~[vp.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:295) ~[vq.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.entity.monster.EntityMob.func_70071_h_(EntityMob.java:50) ~[ade.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.world.World.func_72866_a(World.java:1996) ~[amu.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:832) ~[oo.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.world.World.func_72870_g(World.java:1958) ~[amu.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.world.World.func_72939_s(World.java:1762) ~[amu.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:613) ~[oo.class:?]
21.09 09:57:19 [Server] INFO 	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:767) ~[MinecraftServer.class:?]