Dynmap cauldron 1.7.2 marker signs

[00:54:36] [Server thread/ERROR]: Could not pass event SignChangeEvent to dynmap v1.9.4-69
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:330) ~[JavaPluginLoader$1.class:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.84]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[RegisteredListener.class:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.84]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[TimedRegisteredListener.class:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.84]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:487) [SimplePluginManager.class:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.84]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:472) [SimplePluginManager.class:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.84]
	at net.minecraft.network.NetHandlerPlayServer.func_147343_a(NetHandlerPlayServer.java:2315) [mx.class:?]
	at net.minecraft.network.play.client.C12PacketUpdateSign.func_148833_a(SourceFile:48) [jb.class:?]
	at net.minecraft.network.play.client.C12PacketUpdateSign.func_148833_a(SourceFile:9) [jb.class:?]
	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:206) [ef.class:?]
	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173) [ms.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:953) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432) [lj.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:783) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:646) [MinecraftServer.class:?]
	at java.lang.Thread.run(Unknown Source) [?:1.7.0_45]
Caused by: java.lang.NoSuchMethodError: net.minecraft.util.StringUtils.func_76338_a(Ljava/lang/String;)Ljava/lang/String;
	at org.dynmap.forge.DynmapPlugin$ForgeServer.stripChatColor(DynmapPlugin.java:524) ~[DynmapPlugin$ForgeServer.class:?]
	at org.dynmap.markers.impl.MarkerSignManager$SignListener.signChangeEvent(MarkerSignManager.java:48) ~[MarkerSignManager$SignListener.class:?]
	at org.dynmap.common.DynmapListenerManager.processSignChangeEvent(DynmapListenerManager.java:113) ~[DynmapListenerManager.class:?]
	at org.dynmap.DynmapCore.processSignChange(DynmapCore.java:2364) ~[DynmapCore.class:?]
	at org.dynmap.bukkitbridge.DynmapCBBridgePlugin$1.onSignChange(DynmapCBBridgePlugin.java:110) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:328) ~[JavaPluginLoader$1.class:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.84]
	... 14 more