Решено 3 однотипных ошибки консоли (Could not load)

Не хотят работать 3 плагина ImgMap, AntiBotUltra, AutoSaveWorld, в консоле такие ошибки:

Код:

[19:15:38] [Server thread/ERROR]: Could not load 'plugins/ImgMap.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/tenko/ImgMap : Unsupported major.minor version 51.0
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.java:362) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.DedicatedServer.init(DedicatedServer.java:135) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:450) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
Caused by: java.lang.UnsupportedClassVersionError: com/tenko/ImgMap : Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.6.0_27]
    at java.lang.ClassLoader.defineClass(ClassLoader.java:634) ~[?:1.6.0_27]
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.6.0_27]
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) ~[?:1.6.0_27]
    at java.net.URLClassLoader.access$000(URLClassLoader.java:73) ~[?:1.6.0_27]
    at java.net.URLClassLoader$1.run(URLClassLoader.java:212) ~[?:1.6.0_27]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.6.0_27]
    at java.net.URLClassLoader.findClass(URLClassLoader.java:205) ~[?:1.6.0_27]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:321) ~[?:1.6.0_27]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:266) ~[?:1.6.0_27]
    at java.lang.Class.forName0(Native Method) ~[?:1.6.0_27]
    at java.lang.Class.forName(Class.java:266) ~[?:1.6.0_27]
    at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    ... 6 more
[19:15:38] [Server thread/ERROR]: Could not load 'plugins/AntiBotUltra.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: ittrio/antibotultra/light/source/Main : Unsupported major.minor version 51.0
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.java:362) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.DedicatedServer.init(DedicatedServer.java:135) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:450) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
Caused by: java.lang.UnsupportedClassVersionError: ittrio/antibotultra/light/source/Main : Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.6.0_27]
    at java.lang.ClassLoader.defineClass(ClassLoader.java:634) ~[?:1.6.0_27]
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.6.0_27]
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) ~[?:1.6.0_27]
    at java.net.URLClassLoader.access$000(URLClassLoader.java:73) ~[?:1.6.0_27]
    at java.net.URLClassLoader$1.run(URLClassLoader.java:212) ~[?:1.6.0_27]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.6.0_27]
    at java.net.URLClassLoader.findClass(URLClassLoader.java:205) ~[?:1.6.0_27]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:321) ~[?:1.6.0_27]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:266) ~[?:1.6.0_27]
    at java.lang.Class.forName0(Native Method) ~[?:1.6.0_27]
    at java.lang.Class.forName(Class.java:266) ~[?:1.6.0_27]
    at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    ... 6 more
[19:15:38] [Server thread/ERROR]: Could not load 'plugins/AutoSaveWorld.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: autosaveworld/core/AutoSaveWorld : Unsupported major.minor version 51.0
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.java:362) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.DedicatedServer.init(DedicatedServer.java:135) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:450) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
Caused by: java.lang.UnsupportedClassVersionError: autosaveworld/core/AutoSaveWorld : Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.6.0_27]
    at java.lang.ClassLoader.defineClass(ClassLoader.java:634) ~[?:1.6.0_27]
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.6.0_27]
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) ~[?:1.6.0_27]
    at java.net.URLClassLoader.access$000(URLClassLoader.java:73) ~[?:1.6.0_27]
    at java.net.URLClassLoader$1.run(URLClassLoader.java:212) ~[?:1.6.0_27]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.6.0_27]
    at java.net.URLClassLoader.findClass(URLClassLoader.java:205) ~[?:1.6.0_27]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:321) ~[?:1.6.0_27]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:266) ~[?:1.6.0_27]
    at java.lang.Class.forName0(Native Method) ~[?:1.6.0_27]
    at java.lang.Class.forName(Class.java:266) ~[?:1.6.0_27]
    at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[spigot-1.7.8-R0.1-SNAPSHOT.jar:git-Spigot-1432]
    ... 6 more

Интересно то, что на компе все работает.

 

java обнови на сервере.