Configurable Messages 1.6.4 Error

2013-10-19 12:37:31 [WARNING] [ConfigurableMessages] Task #70 for ConfigurableMessages v0.9.7 generated an exception
java.lang.NoSuchMethodError: nl.lolmewn.stats.api.StatsAPI.getTotalKills(Ljava/lang/String;)I
	at cz.Sicka_gp.ConfigurableMessages.Settings.ScoreboardItemsReplacer.getStatsItems(ScoreboardItemsReplacer.java:270)
	at cz.Sicka_gp.ConfigurableMessages.Settings.ScoreboardItemsReplacer.getReplacedInt(ScoreboardItemsReplacer.java:43)
	at cz.Sicka_gp.ConfigurableMessages.ScoreBoard.ScoreboardManager.UpdateScore(ScoreboardManager.java:111)
	at cz.Sicka_gp.ConfigurableMessages.ScoreBoard.ScoreboardManager.Sidebar(ScoreboardManager.java:53)
	at cz.Sicka_gp.ConfigurableMessages.ScoreBoard.ScoreboardManager$1.run(ScoreboardManager.java:127)
	at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
	at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
	at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:524)
	at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:227)
	at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:488)
	at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:421)
	at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)
2013-10-19 12:37:32 [WARNING] [ConfigurableMessages] Task #70 for ConfigurableMessages v0.9.7 generated an exception
java.lang.NoSuchMethodError: nl.lolmewn.stats.api.StatsAPI.getTotalKills(Ljava/lang/String;)I
	at cz.Sicka_gp.ConfigurableMessages.Settings.ScoreboardItemsReplacer.getStatsItems(ScoreboardItemsReplacer.java:270)
	at cz.Sicka_gp.ConfigurableMessages.Settings.ScoreboardItemsReplacer.getReplacedInt(ScoreboardItemsReplacer.java:43)
	at cz.Sicka_gp.ConfigurableMessages.ScoreBoard.ScoreboardManager.UpdateScore(ScoreboardManager.java:111)
	at cz.Sicka_gp.ConfigurableMessages.ScoreBoard.ScoreboardManager.Sidebar(ScoreboardManager.java:53)
	at cz.Sicka_gp.ConfigurableMessages.ScoreBoard.ScoreboardManager$1.run(ScoreboardManager.java:127)
	at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:53)
	at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
	at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:524)
	at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:227)
	at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:488)
	at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:421)
	at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)