2019-04-20 03:14:10 [SEVERE] Could not load 'plugins\FastGB.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.ClassNotFoundException: Failed to remap class me.fastgb.Main
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:176)
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:307)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:231)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.loadPlugins(CraftServer.java:274)
	at cpw.mods.fml.common.event.FMLServerAboutToStartEvent.<init>(FMLServerAboutToStartEvent.java:30)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at cpw.mods.fml.common.LoaderState.getEvent(LoaderState.java:84)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:103)
	at cpw.mods.fml.common.Loader.serverAboutToStart(Loader.java:807)
	at cpw.mods.fml.common.FMLCommonHandler.handleServerAboutToStart(FMLCommonHandler.java:309)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:212)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:588)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ClassNotFoundException: Failed to remap class me.fastgb.Main
	at org.bukkit.plugin.java.PluginClassLoader.remappedFindClass(PluginClassLoader.java:442)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:356)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:332)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:165)
	... 15 more
Caused by: java.lang.IllegalArgumentException
	at org.objectweb.asm.ClassReader.<init>(Unknown Source)
	at org.objectweb.asm.ClassReader.<init>(Unknown Source)
	at org.objectweb.asm.ClassReader.<init>(Unknown Source)
	at net.md_5.specialsource.RemapperPreprocessor.preprocess(RemapperPreprocessor.java:83)
	at org.bukkit.plugin.java.PluginClassLoader.remappedFindClass(PluginClassLoader.java:398)
	... 22 more