Anyone have any idea what this is?

10:03:21 PM [22:03:21 WARN]: [Dynmap-GriefPrevention] Task #41 for Dynmap-GriefPrevention v0.70 generated an exception
10:03:21 PM java.lang.NoSuchMethodError: me.ryanhamshire.GriefPrevention.Claim.getUUID()Ljava/util/UUID;
10:03:21 PM at org.dynmap.griefprevention.DynmapGriefPreventionPlugin.handleClaim(DynmapGriefPreventionPlugin.java:220) ~[?:?]
10:03:21 PM at org.dynmap.griefprevention.DynmapGriefPreventionPlugin.updateClaims(DynmapGriefPreventionPlugin.java:278) ~[?:?]
10:03:21 PM at org.dynmap.griefprevention.DynmapGriefPreventionPlugin.access$100(DynmapGriefPreventionPlugin.java:42) ~[?:?]
10:03:21 PM at org.dynmap.griefprevention.DynmapGriefPreventionPlugin$GriefPreventionUpdate.run(DynmapGriefPreventionPlugin.java:109) ~[?:?]
10:03:21 PM at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:53) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-1-ga6e0bfd-b3095jnks]
10:03:21 PM at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-1-ga6e0bfd-b3095jnks]
10:03:21 PM at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:600) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-1-ga6e0bfd-b3095jnks]
10:03:21 PM at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-1-ga6e0bfd-b3095jnks]
10:03:21 PM at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-1-ga6e0bfd-b3095jnks]
10:03:21 PM at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-1-ga6e0bfd-b3095jnks]
10:03:21 PM at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-1-ga6e0bfd-b3095jnks]

DynMap-Grief Protection is not compatible with current version of Grief Protection see issue #9