[11:14:12] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Exception ticking world
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:774) ~[MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:683) ~[MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:155) ~[IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:536) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_77-Debian]
Caused by: java.lang.NoClassDefFoundError: cubicchunks/server/CubePlayerManager$CubeWatcher$$Lambda$24
	at cubicchunks.server.CubePlayerManager$CubeWatcher$$Lambda$24/1106938881.get$Lambda(Unknown Source) ~[?:?]
	at cubicchunks.server.CubePlayerManager$CubeWatcher.hasPlayerMatching(CubePlayerManager.java:800) ~[CubePlayerManager$CubeWatcher.class:?]
	at cubicchunks.server.CubePlayerManager.updatePlayerInstances(CubePlayerManager.java:239) ~[CubePlayerManager.class:?]
	at net.minecraft.world.WorldServer.tick(WorldServer.java:228) ~[WorldServer.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:768) ~[MinecraftServer.class:?]
	... 4 more
Caused by: java.lang.ClassNotFoundException: cubicchunks.server.CubePlayerManager$CubeWatcher$$Lambda$24
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_77-Debian]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_77-Debian]
	at cubicchunks.server.CubePlayerManager$CubeWatcher$$Lambda$24/1106938881.get$Lambda(Unknown Source) ~[?:?]
	at cubicchunks.server.CubePlayerManager$CubeWatcher.hasPlayerMatching(CubePlayerManager.java:800) ~[CubePlayerManager$CubeWatcher.class:?]
	at cubicchunks.server.CubePlayerManager.updatePlayerInstances(CubePlayerManager.java:239) ~[CubePlayerManager.class:?]
	at net.minecraft.world.WorldServer.tick(WorldServer.java:228) ~[WorldServer.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:768) ~[MinecraftServer.class:?]
	... 4 more
Caused by: java.lang.NullPointerException
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_77-Debian]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_77-Debian]
	at cubicchunks.server.CubePlayerManager$CubeWatcher$$Lambda$24/1106938881.get$Lambda(Unknown Source) ~[?:?]
	at cubicchunks.server.CubePlayerManager$CubeWatcher.hasPlayerMatching(CubePlayerManager.java:800) ~[CubePlayerManager$CubeWatcher.class:?]
	at cubicchunks.server.CubePlayerManager.updatePlayerInstances(CubePlayerManager.java:239) ~[CubePlayerManager.class:?]
	at net.minecraft.world.WorldServer.tick(WorldServer.java:228) ~[WorldServer.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:768) ~[MinecraftServer.class:?]
	... 4 more