mobescape error

[22:15:28] [Server thread/ERROR]: Could not load 'plugins\MobEscape.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
	at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:158) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at org.bukkit.craftbukkit.v1_7_R2.CraftServer.loadPlugins(CraftServer.java:350) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at org.bukkit.craftbukkit.v1_7_R2.CraftServer.<init>(CraftServer.java:312) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at net.minecraft.server.v1_7_R2.PlayerList.<init>(PlayerList.java:63) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at net.minecraft.server.v1_7_R2.DedicatedPlayerList.<init>(SourceFile:14) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at net.minecraft.server.v1_7_R2.DedicatedServer.init(DedicatedServer.java:126) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at net.minecraft.server.v1_7_R2.MinecraftServer.run(MinecraftServer.java:426) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	at net.minecraft.server.v1_7_R2.ThreadServerApplication.run(SourceFile:618) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
Caused by: java.util.zip.ZipException: error in opening zip file
	at java.util.zip.ZipFile.open(Native Method) ~[?:1.7.0_51]
	at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.7.0_51]
	at java.util.zip.ZipFile.<init>(Unknown Source) ~[?:1.7.0_51]
	at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.7.0_51]
	at java.util.jar.JarFile.<init>(Unknown Source) ~[?:1.7.0_51]
	at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:146) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-14-g8f8716c-b3042jnks]
	... 8 more