两处报错，在线等！

丶ekko

第一处：
[NeverLag] Enabling NeverLag v1.3.0
[16:27:48] [Server thread/WARN]: [NeverLag] Default system encoding may have misread config.yml from plugin jar
[16:27:48] [Server thread/WARN]: java.lang.ClassNotFoundException: net/minecraft/server/v1_7_R4/ItemStack
[16:27:48] [Server thread/WARN]:         at java.lang.Class.forName0(Native Method)
[16:27:48] [Server thread/WARN]:         at java.lang.Class.forName(Unknown Source)
[16:27:48] [Server thread/WARN]:         at jiongjionger.NeverLag.onEnable(NeverLag.java:352)
[16:27:48] [Server thread/WARN]:         at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316)
[16:27:48] [Server thread/WARN]:         at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:368)
[16:27:48] [Server thread/WARN]:         at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:410)
[16:27:48] [Server thread/WARN]:         at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin(CraftServer.java:415)
[16:27:48] [Server thread/WARN]:         at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlugins(CraftServer.java:349)
[16:27:48] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.func_71243_i(MinecraftServer.java:511)
[16:27:48] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:485)
[16:27:48] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:445)
[16:27:48] [Server thread/WARN]:         at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:336)
[16:27:48] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:631)
[16:27:48] [Server thread/WARN]:         at java.lang.Thread.run(Unknown Source)

第二处：
[Server thread/ERROR]: Error occurred while enabling PlayerPoints v1.7.1 (Is it up to date?)
java.lang.NullPointerException
        at org.black_ixx.playerpoints.PlayerPoints.onEnable(PlayerPoints.java:73) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316) ~[JavaPlugin.class:1.7.10-R0.1-SNAPSHOT]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:368) [JavaPluginLoader.class:1.7.10-R0.1-SNAPSHOT]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:410) [SimplePluginManager.class:1.7.10-R0.1-SNAPSHOT]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin(CraftServer.java:415) [CraftServer.class:1.7.10-R0.1-SNAPSHOT]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlugins(CraftServer.java:349) [CraftServer.class:1.7.10-R0.1-SNAPSHOT]
        at net.minecraft.server.MinecraftServer.func_71243_i(MinecraftServer.java:511) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:485) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:445) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:336) [lt.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:631) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]

在线等！