hello, i was updating my server for 1.4.6 and when i tried to start up this strange error/warning appeared Code: 2012-12-27 12:18:35 [WARNING] Method "public Plugin loadPlugin(File, boolean)" is Deprecated, and may be removed in a future version of Bukkit org.bukkit.plugin.AuthorNagException: at org.bukkit.plugin.java.JavaPluginLoader.getClassByName(JavaPluginLoader.java:284) at com.earth2me.essentials.storage.BukkitConstructor.getClassForNode(BukkitConstructor.java:418) at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.getConstructor(Constructor.java:321) at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:331) at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:183) at org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:142) at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:128) at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:480) at org.yaml.snakeyaml.Yaml.load(Yaml.java:423) at com.earth2me.essentials.storage.YamlStorageReader.load(YamlStorageReader.java:47) at com.earth2me.essentials.storage.AbstractDelayedYamlFileReader.run(AbstractDelayedYamlFileReader.java:37) at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) 2012-12-27 12:18:35 [WARNING] Method "public Plugin loadPlugin(File, boolean)" is Deprecated, and may be removed in a future version of Bukkit org.bukkit.plugin.AuthorNagException: at org.bukkit.plugin.java.JavaPluginLoader.getClassByName(JavaPluginLoader.java:284) at com.earth2me.essentials.storage.BukkitConstructor.getClassForNode(BukkitConstructor.java:418) at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.getConstructor(Constructor.java:321) at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:331) at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:183) at org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:142) at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:128) at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:480) at org.yaml.snakeyaml.Yaml.load(Yaml.java:423) at com.earth2me.essentials.storage.YamlStorageReader.load(YamlStorageReader.java:47) at com.earth2me.essentials.storage.AbstractDelayedYamlFileReader.run(AbstractDelayedYamlFileReader.java:37) at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) i have the following plugins installed: dynmap , essentials (antibuild,chat,protect,spawn) , lockette, logblock, loginsecurity, orebfuscator, permissionsEx, playerheads, vault, world edit and world guard please some help