[16:04:52] [Server thread/ERROR]: Encountered an unexpected exception java.lang.NoClassDefFoundError: r at j.a(SourceFile:85) ~[j.class:?] at j.a(SourceFile:89) ~[j.class:?] at j.a(SourceFile:80) ~[j.class:?] at b.h(CrashReport.java:64) ~[b.class:?] at b.(CrashReport.java:55) ~[b.class:?] at b.a(CrashReport.java:432) ~[b.class:?] at net.minecraft.server.MinecraftServer.z(SourceFile:609) ~[MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.y(SourceFile:531) ~[MinecraftServer.class:?] at cyk.y(IntegratedServer.java:265) ~[cyk.class:?] at net.minecraft.server.MinecraftServer.run(SourceFile:447) [MinecraftServer.class:?] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51] [16:04:52] [Server thread/INFO]: Stopping server [16:04:52] [Server thread/INFO]: Saving players [16:04:52] [Server thread/INFO]: Saving worlds [16:04:52] [Server thread/INFO]: Saving chunks for level 'Permasuppression'/Overworld [16:04:52] [Server thread/INFO]: Saving chunks for level 'Permasuppression'/Nether [16:04:52] [Server thread/INFO]: Saving chunks for level 'Permasuppression'/The End Exception in thread "Server thread" java.lang.NoClassDefFoundError: r at j.a(SourceFile:85) at j.a(SourceFile:89) at j.a(SourceFile:80) at b.h(CrashReport.java:64) at b.(CrashReport.java:55) at net.minecraft.server.MinecraftServer.run(SourceFile:465) at java.lang.Thread.run(Thread.java:745)