Forester error

[LordBoos]

23:24:50 [WARNING] Task of 'PreciousStones' generated an exception
java.lang.IllegalArgumentException: n must be positive

    at java.util.Random.nextInt(Unknown Source)

    at net.sacredlabyrinth.Phaed.PreciousStones.managers.ForesterManager.getTree(ForesterManager.java:220)

    at net.sacredlabyrinth.Phaed.PreciousStones.managers.ForesterManager.generateTree(ForesterManager.java:199)

    at net.sacredlabyrinth.Phaed.PreciousStones.entries.ForesterEntry.doPlantingAttempt(ForesterEntry.java:102)

    at net.sacredlabyrinth.Phaed.PreciousStones.entries.ForesterEntry.access$100(ForesterEntry.java:12)

    at net.sacredlabyrinth.Phaed.PreciousStones.entries.ForesterEntry$Update.run(ForesterEntry.java:73)

    at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:126)

    at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:591)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:509)

    at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)

[marcelo-mason]

Means you don't have the "tree-types" flag configured on your forester. Check the wiki:

http://wiki.sacredlabyrinth.net/index.php/PreciousStones#Field_Flags

Either way, i made it so it doesn't throw an exception if its missing and defaults to regular minecraft trees