[15:36:01 ERROR]: Could not load 'plugins/LibsDisguises17.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:160) ~[Spigot.jar:git-Spigot-1649]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [Spigot.jar:git-Spigot-1649]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugins(CraftServer.java:369) [Spigot.jar:git-Spigot-1649]
        at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:152) [Spigot.jar:git-Spigot-1649]
        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:458) [Spigot.jar:git-Spigot-1649]
        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [Spigot.jar:git-Spigot-1649]
Caused by: java.util.zip.ZipException: zip file is empty
        at java.util.zip.ZipFile.open(Native Method) ~[?:1.8.0_72]
        at java.util.zip.ZipFile.<init>(ZipFile.java:219) ~[?:1.8.0_72]
        at java.util.zip.ZipFile.<init>(ZipFile.java:149) ~[?:1.8.0_72]
        at java.util.jar.JarFile.<init>(JarFile.java:166) ~[?:1.8.0_72]
        at java.util.jar.JarFile.<init>(JarFile.java:130) ~[?:1.8.0_72]
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:148) ~[Spigot.jar:git-Spigot-1649]
        ... 5 more
[15:36:01 ERROR]: Could not load 'plugins/ProtocolLib17.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:160) ~[Spigot.jar:git-Spigot-1649]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [Spigot.jar:git-Spigot-1649]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugins(CraftServer.java:369) [Spigot.jar:git-Spigot-1649]
        at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:152) [Spigot.jar:git-Spigot-1649]
        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:458) [Spigot.jar:git-Spigot-1649]
        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [Spigot.jar:git-Spigot-1649]
Caused by: java.util.zip.ZipException: zip file is empty
        at java.util.zip.ZipFile.open(Native Method) ~[?:1.8.0_72]
        at java.util.zip.ZipFile.<init>(ZipFile.java:219) ~[?:1.8.0_72]
        at java.util.zip.ZipFile.<init>(ZipFile.java:149) ~[?:1.8.0_72]
        at java.util.jar.JarFile.<init>(JarFile.java:166) ~[?:1.8.0_72]
        at java.util.jar.JarFile.<init>(JarFile.java:130) ~[?:1.8.0_72]
        at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:148) ~[Spigot.jar:git-Spigot-1649]
        ... 5 more
[15:36:01 INFO]: Set PluginClassLoader as parallel capable