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java.lang.StackOverflowError: 	at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3797)	at java.util.regex.Pattern$GroupHead.match(Pattern.java:4658)	at java.util.regex.Pattern$Branch.match(Pattern.java:4604)	at java.util.regex.Pattern$BranchConn.match(Pattern.java:4568)	at java.util.regex.Pattern$GroupTail.match(Pattern.java:4717)	at java.util.regex.Pattern$Curly.match0(Pattern.java:4279)	at java.util.regex.Pattern$Curly.match(Pattern.java:4234)	at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3798)	at java.util.regex.Pattern$GroupHead.match(Pattern.java:4658)	at java.util.regex.Pattern$Branch.match(Pattern.java:4604)	at java.util.regex.Pattern$Branch.match(Pattern.java:4602)	at java.util.regex.Pattern$BranchConn.match(Pattern.java:4568)	at java.util.regex.Pattern$GroupTail.match(Pattern.java:4717)	at java.util.regex.Pattern$Curly.match0(Pattern.java:4279)	at java.util.regex.Pattern$Curly.match(Pattern.java:4234)	at java.util.regex.Pattern$GroupHead.match(Pattern.java:4658)	at java.util.regex.Pattern$Branch.match(Pattern.java:4604)	at java.util.regex.Pattern$Branch.match(Pattern.java:4602)	at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3798)	at java.util.regex.Pattern$Start.match(Pattern.java:3461)	at java.util.regex.Matcher.search(Matcher.java:1248)	at java.util.regex.Matcher.find(Matcher.java:664)	at java.util.Formatter.parse(Formatter.java:2549)	at java.util.Formatter.format(Formatter.java:2501)	at java.util.Formatter.format(Formatter.java:2455)	at java.lang.String.format(String.java:2940)	at net.minecraft.entity.Entity.toString(Entity.java:2081)	at java.lang.String.valueOf(String.java:2994)	at java.lang.StringBuilder.append(StringBuilder.java:131)	at com.google.common.base.Objects$ToStringHelper.toString(Objects.java:401)	at net.minecraft.entity.ai.EntityAITasks.toString(SourceFile:241)	at java.util.Formatter$FormatSpecifier.printString(Formatter.java:2886)	at java.util.Formatter$FormatSpecifier.print(Formatter.java:2763)	at java.util.Formatter.format(Formatter.java:2520)	at java.util.Formatter.format(Formatter.java:2455)	at java.lang.String.format(String.java:2940)	at org.spongepowered.api.event.SpongeEventFactory.createAITaskEventAdd(SpongeEventFactory.java:2331)	at net.minecraft.entity.EntityLiving.handleDelayedTaskEventFiring(EntityLiving.java:114)	at net.minecraft.entity.EntityLiving.firePostConstructEvents(EntityLiving.java:105)	at net.minecraft.entity.Entity.handler$onReadFromNBT$0(Entity.java:982)	at net.minecraft.entity.Entity.func_70020_e(Entity.java:1508)	at net.minecraft.entity.EntityList.func_75615_a(EntityList.java:174)	at net.minecraft.world.chunk.storage.AnvilChunkLoader.loadEntities(AnvilChunkLoader.java:469)	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:41)	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)	at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)	at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:109)	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:84)	at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:153)	at net.minecraft.world.World.func_72964_e(World.java:287)	at net.minecraft.world.World.func_175726_f(World.java:282)	at net.minecraft.world.World.func_180495_p(World.java:822)	at net.minecraft.tileentity.TileEntityChest.func_174912_b(TileEntityChest.java:276)	at net.minecraft.tileentity.TileEntityChest.func_174911_a(TileEntityChest.java:253)	at net.minecraft.tileentity.TileEntityChest.func_145979_i(TileEntityChest.java:242)	at net.minecraft.tileentity.TileEntityChest.func_145843_s(TileEntityChest.java:423)	at net.minecraft.world.chunk.Chunk.func_177426_a(Chunk.java:879)	at net.minecraft.world.chunk.Chunk.func_150813_a(Chunk.java:862)	at net.minecraft.world.chunk.storage.AnvilChunkLoader.loadEntities(AnvilChunkLoader.java:504)	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:41)	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)	at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)	at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:109)	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:84)	at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:153)	at net.minecraft.world.World.func_72964_e(World.java:287)	at net.minecraft.world.World.func_175726_f(World.java:282)	at net.minecraft.world.World.func_180495_p(World.java:822)	at net.minecraft.tileentity.TileEntityChest.func_174912_b(TileEntityChest.java:276)	at net.minecraft.tileentity.TileEntityChest.func_174911_a(TileEntityChest.java:253)	at net.minecraft.tileentity.TileEntityChest.func_145979_i(TileEntityChest.java:242)	at net.minecraft.tileentity.TileEntityChest.func_145843_s(TileEntityChest.java:423)	at net.minecraft.world.chunk.Chunk.func_177426_a(Chunk.java:879)	at net.minecraft.world.chunk.Chunk.func_150813_a(Chunk.java:862)	at net.minecraft.world.chunk.storage.AnvilChunkLoader.loadEntities(AnvilChunkLoader.java:504)	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:41)	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)	at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)	at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:109)	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:84)	at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:153)	at net.minecraft.world.World.func_72964_e(World.java:287)	at net.minecraft.world.World.func_175726_f(World.java:282)	at net.minecraft.world.World.func_180495_p(World.java:822)	at net.minecraft.tileentity.TileEntityChest.func_174912_b(TileEntityChest.java:276)	at net.minecraft.tileentity.TileEntityChest.func_174911_a(TileEntityChest.java:253)