[14:44:27] [Server thread/WARN]: In Replacer: com.github.games647.scoreboardstats.variables.FactionsVariables@7bc55f50 occurred an error. So it will be removed to prevent future errors
java.lang.NoClassDefFoundError: com/massivecraft/factions/entity/UPlayer
	at com.github.games647.scoreboardstats.variables.FactionsVariables.getNewFactionScore(FactionsVariables.java:39) ~[ScoreboardStats.jar:0.8.3]
	at com.github.games647.scoreboardstats.variables.FactionsVariables.getScoreValue(FactionsVariables.java:31) ~[ScoreboardStats.jar:0.8.3]
	at com.github.games647.scoreboardstats.variables.ReplaceManager.getScore(ReplaceManager.java:109) [ScoreboardStats.jar:0.8.3]
	at com.github.games647.scoreboardstats.protocol.PacketSbManager.sendUpdate(PacketSbManager.java:69) [ScoreboardStats.jar:0.8.3]
	at com.github.games647.scoreboardstats.protocol.PacketSbManager.createScoreboard(PacketSbManager.java:105) [ScoreboardStats.jar:0.8.3]
	at com.github.games647.scoreboardstats.protocol.PacketSbManager.sendUpdate(PacketSbManager.java:58) [ScoreboardStats.jar:0.8.3]
	at com.github.games647.scoreboardstats.RefreshTask.run(RefreshTask.java:51) [ScoreboardStats.jar:0.8.3]
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71) [spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:641) [spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
Caused by: java.lang.ClassNotFoundException: com.massivecraft.factions.entity.UPlayer
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0]
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0]
	... 14 more