---- Minecraft Crash Report ---- // I bet Cylons wouldn't have this problem. Time: 2/13/13 4:19 PM Description: Exception in server tick loop java.lang.NullPointerException at cf.b(SourceFile:103) at cf.a(SourceFile:35) at iv.b(SourceFile:436) at gm.a(SourceFile:72) at bec.b(SourceFile:73) at net.minecraft.server.MinecraftServer.r(SourceFile:762) at net.minecraft.server.MinecraftServer.q(SourceFile:679) at bdz.q(SourceFile:117) at net.minecraft.server.MinecraftServer.run(SourceFile:613) at fy.run(SourceFile:849) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.4.7 Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.6.0_22, Sun Microsystems Inc. Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 279777856 bytes (266 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB) JVM Flags: 2 total; -Xms512m -Xmx1024m AABB Pool Size: 179671 (10061576 bytes; 9 MB) allocated, 179671 (10061576 bytes; 9 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63 Profiler Position: N/A (disabled) Vec3 Pool Size: 29683 (1662248 bytes; 1 MB) allocated, 29683 (1662248 bytes; 1 MB) used Player Count: 0 / 8; [] Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.