---- Minecraft Crash Report ---- // I'm sorry, Dave. Time: 12/2/15 2:17 PM Description: Exception ticking world java.lang.IllegalArgumentException: Cannot get property arh{name=half, clazz=class als$a, values=[top, bottom]} as it does not exist in aqv{block=minecraft:double_stone_slab, properties=[seamless, variant]} at aqv$a.c(SourceFile:165) at als.k(SourceFile:50) at aqv$a.q(SourceFile:388) at ahu.a(SourceFile:203) at ahu.a(SourceFile:132) at lp.d(SourceFile:198) at net.minecraft.server.MinecraftServer.D(SourceFile:617) at net.minecraft.server.MinecraftServer.C(SourceFile:553) at bxz.C(SourceFile:154) at net.minecraft.server.MinecraftServer.run(SourceFile:457) at java.lang.Thread.run(Unknown Source) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at aqv$a.c(SourceFile:165) at als.k(SourceFile:50) at aqv$a.q(SourceFile:388) at ahu.a(SourceFile:203) at ahu.a(SourceFile:132) at lp.d(SourceFile:198) -- Affected level -- Details: Level name: New World All players: 1 total; [lr['Malum5'/638, l='New World', x=100.53, y=224.00, z=279.66]] Chunk stats: ServerChunkCache: 392 Drop: 0 Level seed: -1154601845846066934 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: Level spawn location: World: (196,64,252), Chunk: (at 4,4,12 in 12,15; contains blocks 192,0,240 to 207,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 17450652 game time, 17643905 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 9457 (now: true), thunder time: 39095 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Stacktrace: at net.minecraft.server.MinecraftServer.D(SourceFile:617) at net.minecraft.server.MinecraftServer.C(SourceFile:553) at bxz.C(SourceFile:154) at net.minecraft.server.MinecraftServer.run(SourceFile:457) at java.lang.Thread.run(Unknown Source) -- System Details -- Details: Minecraft Version: 15w49a Operating System: Windows 8.1 (x86) version 6.3 Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 122261752 bytes (116 MB) / 379359232 bytes (361 MB) up to 523501568 bytes (499 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95 Profiler Position: N/A (disabled) Player Count: 1 / 8; [lr['Malum5'/638, l='New World', x=100.53, y=224.00, z=279.66]] Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.