Bukkit

What version of the product are you using?

v1.0.0

Do you have an error log of what happened?

2012-06-14 15:22:26 [SEVERE] Could not load 'plugins\NOJoin_Leave.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: name 'NOJoin&Leave' contains invalid characters.
    at org.bukkit.plugin.PluginDescriptionFile.loadMap(PluginDescriptionFile.java:191)
    at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:42)
    at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:199)
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:132)
    at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:213)
    at org.bukkit.craftbukkit.CraftServer.reload(CraftServer.java:550)
    at org.bukkit.Bukkit.reload(Bukkit.java:182)
    at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:22)
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
    at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:479)
    at org.bukkit.craftbukkit.CraftServer.dispatchServerCommand(CraftServer.java:475)
    at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:612)
    at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:581)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459)
    at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

Minecraft version 1.14.4 ERROR

======

08.09 12:57:37 [Server] Server thread/ERROR Could not load 'plugins/NOJoin_Leave.jar' in folder 'plugins'
08.09 12:57:37 [Server] INFO org.bukkit.plugin.InvalidDescriptionException: name 'NOJoin&Leave' contains invalid characters.
08.09 12:57:37 [Server] INFO at org.bukkit.plugin.PluginDescriptionFile.loadMap(PluginDescriptionFile.java:917) ~[custom.jar:git-Spigot-9de398a-9c887d4]
08.09 12:57:37 [Server] INFO at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:240) ~[custom.jar:git-Spigot-9de398a-9c887d4]
08.09 12:57:37 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:165) ~[custom.jar:git-Spigot-9de398a-9c887d4]
08.09 12:57:37 [Server] INFO at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:138) [custom.jar:git-Spigot-9de398a-9c887d4]
08.09 12:57:37 [Server] INFO at org.bukkit.craftbukkit.v1_14_R1.CraftServer.loadPlugins(CraftServer.java:350) [custom.jar:git-Spigot-9de398a-9c887d4]
08.09 12:57:37 [Server] INFO at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:194) [custom.jar:git-Spigot-9de398a-9c887d4]
08.09 12:57:37 [Server] INFO at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:776) [custom.jar:git-Spigot-9de398a-9c887d4]
08.09 12:57:37 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]