Erreor Sketchmap image load

[11:47:29 WARN]: Unable to load SketchMap file "point9.sketchmap" missing field "map-image"
com.mcplugindev.slipswhitley.sketchmap.file.SketchMapFileException: Unable to load SketchMap file "point9.sketchmap" missing field "map-image"
at com.mcplugindev.slipswhitley.sketchmap.SketchMapAPI.loadSketchMapFromFile(SketchMapAPI.java:90) ~[SketchMap%20-%201.0.2%20Java%207%20for%201.8.1%20Mar%2011,%202015.jar:?]
at com.mcplugindev.slipswhitley.sketchmap.file.SketchMapLoader.loadMaps(SketchMapLoader.java:53) [SketchMap%20-%201.0.2%20Java%207%20for%201.8.1%20Mar%2011,%202015.jar:?]
at com.mcplugindev.slipswhitley.sketchmap.SketchMapPlugin.onEnable(SketchMapPlugin.java:22) [SketchMap%20-%201.0.2%20Java%207%20for%201.8.1%20Mar%2011,%202015.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:327) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugin(CraftServer.java:341) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.enablePlugins(CraftServer.java:313) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.reload(CraftServer.java:725) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.Bukkit.reload(Bukkit.java:543) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.dispatchCommand(CraftServer.java:625) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at org.bukkit.craftbukkit.v1_8_R1.CraftServer.dispatchServerCommand(CraftServer.java:611) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at net.minecraft.server.v1_8_R1.DedicatedServer.aM(DedicatedServer.java:320) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:285) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:609) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:517) [craftbukkit-1.8-R0.6.jar:git-Bukkit-33d5de3]
at java.lang.Thread.run(Thread.java:744) [?:1.7.0_55][/code]