i get the follwing errors in 1.4.6

2012-12-21 15:13:00 [INFO] [TownyChat] Enabling TownyChat v0.35
2012-12-21 15:13:00 [INFO] [Dynmap-Towny] Enabling Dynmap-Towny v0.30
2012-12-21 15:13:00 [INFO] [Dynmap-Towny] initializing
2012-12-21 15:13:00 [SEVERE] Error occurred while enabling Dynmap-Towny v0.30 (Is it up to date?)
java.lang.NullPointerException
at org.dynmap.bukkit.DynmapPlugin.getMarkerAPI(DynmapPlugin.java:842)
at org.dynmap.towny.DynmapTownyPlugin.activate(DynmapTownyPlugin.java:868)
at org.dynmap.towny.DynmapTownyPlugin.onEnable(DynmapTownyPlugin.java:849)
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_4_6.CraftServer.loadPlugin(CraftServer.java:278)
at org.bukkit.craftbukkit.v1_4_6.CraftServer.enablePlugins(CraftServer.java:260)
at net.minecraft.server.v1_4_6.MinecraftServer.j(MinecraftServer.java:321)
at net.minecraft.server.v1_4_6.MinecraftServer.e(MinecraftServer.java:300)
at net.minecraft.server.v1_4_6.MinecraftServer.a(MinecraftServer.java:259)
at net.minecraft.server.v1_4_6.DedicatedServer.init(DedicatedServer.java:149)
at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:399)
at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)

Try this on the just-released 0.40 - let me know the details if you still see the issue. I fixed a potential issue with handling /dynmap reload that may have caused this