[13:03:14] [Server thread/INFO]: [CraftGigantLobby] Enabling CraftGigantLobby vPREALPHA
[13:03:14] [Server thread/INFO]: [CraftGigantLobby] CraftGigantLobby wird hochgefahren
[13:03:14] [Server thread/ERROR]: Error occurred while enabling CraftGigantLobby vPREALPHA (Is it up to date?)
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
    at java.lang.String.substring(String.java:1967) ~[?:1.8.0_131]
    at me.iTzCeddy.LobbyMain.PingServer.<init>(PingServer.java:34) ~[?:?]
    at me.iTzCeddy.LobbyMain.LobbyEvents.<init>(LobbyEvents.java:73) ~[?:?]
    at me.iTzCeddy.LobbyMain.LobbyMain.onEnable(LobbyMain.java:74) ~[?:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[spigot.jar:git-Spigot-7228328-6659ddf]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337) [spigot.jar:git-Spigot-7228328-6659ddf]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:402) [spigot.jar:git-Spigot-7228328-6659ddf]
    at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:378) [spigot.jar:git-Spigot-7228328-6659ddf]
    at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:327) [spigot.jar:git-Spigot-7228328-6659ddf]
    at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:421) [spigot.jar:git-Spigot-7228328-6659ddf]
    at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:382) [spigot.jar:git-Spigot-7228328-6659ddf]
    at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:337) [spigot.jar:git-Spigot-7228328-6659ddf]
    at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:272) [spigot.jar:git-Spigot-7228328-6659ddf]
    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:544) [spigot.jar:git-Spigot-7228328-6659ddf]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]