10:47:25 [SEVERE] Could not load 'plugins/PearlTeleporter.jar' in folder 'plugins':
could not determine a constructor for the tag tag:yaml.org,2002:org.bukkit.Location
 in "<reader>", line 2, column 14:
        speaker: !!org.bukkit.Location
                 ^

  at org.yaml.snakeyaml.constructor.SafeConstructor$ConstructUndefined.construct(SafeConstructor.java:459)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:184)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping2ndStep(BaseConstructor.java:327)
  at org.yaml.snakeyaml.constructor.SafeConstructor.constructMapping2ndStep(SafeConstructor.java:125)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping(BaseConstructor.java:308)
  at org.yaml.snakeyaml.constructor.SafeConstructor$ConstructYamlMap.construct(SafeConstructor.java:443)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:184)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping2ndStep(BaseConstructor.java:327)
  at org.yaml.snakeyaml.constructor.SafeConstructor.constructMapping2ndStep(SafeConstructor.java:125)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping(BaseConstructor.java:308)
  at org.yaml.snakeyaml.constructor.SafeConstructor$ConstructYamlMap.construct(SafeConstructor.java:443)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:184)
  at org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:143)
  at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:129)
  at org.yaml.snakeyaml.Yaml.load(Yaml.java:264)
  at org.bukkit.util.config.Configuration.load(Configuration.java:82)
  at org.bukkit.plugin.java.JavaPlugin.initialize(JavaPlugin.java:157)
  at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:175)
  at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:213)
  at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:136)
  at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:138)
  at org.bukkit.craftbukkit.CraftServer.reload(CraftServer.java:408)
  at org.bukkit.Bukkit.reload(Bukkit.java:173)
  at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:22)
  at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:163)
  at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:353)
  at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:349)
  at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:499)
  at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:478