Races Error

2013-07-18 23:46:41 [INFO] [Races] Enabling Races v1.1.3b1
2013-07-18 23:46:41 [INFO] [Races]Vault found
2013-07-18 23:46:41 [INFO] [Races]Race loaded Ender
2013-07-18 23:46:41 [SEVERE] Error occurred while enabling Races v1.1.3b1 (Is it up to date?)
java.lang.NumberFormatException: For input string: "351:15"
	at java.lang.NumberFormatException.forInputString(Unknown Source)
	at java.lang.Integer.parseInt(Unknown Source)
	at java.lang.Integer.parseInt(Unknown Source)
	at com.primitivedev.helper.RaceHelper.loadRaceFromFile(RaceHelper.java:483)
	at com.primitivedev.helper.RaceHelper.loadRaces(RaceHelper.java:348)
	at com.primitivedev.races.Races.onEnable(Races.java:43)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
	at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugin(CraftServer.java:282)
	at org.bukkit.craftbukkit.v1_6_R2.CraftServer.enablePlugins(CraftServer.java:264)
	at net.minecraft.server.v1_6_R2.MinecraftServer.l(MinecraftServer.java:313)
	at net.minecraft.server.v1_6_R2.MinecraftServer.f(MinecraftServer.java:290)
	at net.minecraft.server.v1_6_R2.MinecraftServer.a(MinecraftServer.java:250)
	at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.java:151)
	at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:391)
	at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)