[18:38:37] [Server thread/ERROR]: Could not load 'plugins/nPractice.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: me/allen/ziggurat/ZigguratAdapter
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:331) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:254) [paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:359) [paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:205) [paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:648) [paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: java.lang.NoClassDefFoundError: me/allen/ziggurat/ZigguratAdapter
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_222]
	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_222]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:65) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	... 6 more
Caused by: java.lang.ClassNotFoundException: me.allen.ziggurat.ZigguratAdapter
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_222]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:102) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:87) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_222]
	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_222]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:65) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[paperspigot-1.8.8-R0.1-SNAPSHOT.jar:git-PaperSpigot-unknown]
	... 6 more