[WARNING] Task of 'ChessCraft' generated an exception
java.lang.NumberFormatException: For input string: "30min"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
        at java.lang.Long.parseLong(Long.java:441)
        at java.lang.Long.parseLong(Long.java:483)
        at me.desht.chesscraft.dhutils.Duration.<init>(Duration.java:67)
        at me.desht.chesscraft.chess.ChessGame.checkForAutoDelete(ChessGame.java:1263)
        at me.desht.chesscraft.ChessTickTask$1.run(ChessTickTask.java:24)
        at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:126)
        at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:537)
        at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:244)
        at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:501)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:419)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
08:21:45 [SEVERE] java.lang.NullPointerException
08:21:45 [SEVERE]       at name.richardson.james.bukkit.utilities.updater.PluginUpdater.getMavenMetaData(PluginUpdater.java:134)
08:21:45 [SEVERE]       at name.richardson.james.bukkit.utilities.updater.PluginUpdater.parseMavenMetaData(PluginUpdater.java:153)
08:21:45 [SEVERE]       at name.richardson.james.bukkit.utilities.updater.PluginUpdater.run(PluginUpdater.java:98)
08:21:45 [SEVERE]       at org.bukkit.craftbukkit.scheduler.CraftWorker.run(CraftWorker.java:34)
08:21:45 [SEVERE]       at java.lang.Thread.run(Thread.java:722)