[17:49:13] [Server thread/ERROR]: Could not load 'plugins\IntergratMain.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException: File cannot be null
   at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.craftbukkit.v1_11_R1.CraftServer.loadPlugins(CraftServer.java:301) [spigot.jar:git-Spigot-d276ab1-d219213]
   at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:204) [spigot.jar:git-Spigot-d276ab1-d219213]
   at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:544) [spigot.jar:git-Spigot-d276ab1-d219213]
   at java.lang.Thread.run(Unknown Source) [?:1.8.0_77]
Caused by: java.lang.IllegalArgumentException: File cannot be null
   at org.apache.commons.lang.Validate.notNull(Validate.java:192) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.configuration.file.YamlConfiguration.loadConfiguration(YamlConfiguration.java:174) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at me.SeductiveWalrus.Intergrat.<init>(Intergrat.java:54) ~[?:?]
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_77]
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_77]
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_77]
   at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_77]
   at java.lang.Class.newInstance(Unknown Source) ~[?:1.8.0_77]
   at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   ... 6 more
[17:49:13] [Server thread/ERROR]: Could not load 'plugins\PlugMan.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
   at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:78) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.craftbukkit.v1_11_R1.CraftServer.loadPlugins(CraftServer.java:301) [spigot.jar:git-Spigot-d276ab1-d219213]
   at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:204) [spigot.jar:git-Spigot-d276ab1-d219213]
   at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:544) [spigot.jar:git-Spigot-d276ab1-d219213]
   at java.lang.Thread.run(Unknown Source) [?:1.8.0_77]
Caused by: org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
   at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:160) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:76) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   ... 6 more
Caused by: java.util.zip.ZipException: error in opening zip file
   at java.util.zip.ZipFile.open(Native Method) ~[?:1.8.0_77]
   at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.8.0_77]
   at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.8.0_77]
   at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.8.0_77]
   at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.8.0_77]
   at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:148) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:76) ~[spigot.jar:git-Spigot-d276ab1-d219213]
   ... 6 more