Sadly looks like Bukkit broke it, not sure if you can do anything if the event cannot be passed. BlockDrops gives me this error too.
Could you make it so buckets of water/lava control the placement of water/lava blocks? So it can be used without having to have the water/lava...
one small suggestion, could you make it so it can be configured per group? with:...
I have an idea, could you make it so that if say a gold tool is used to remove a re-spawning block it dose not re-spawn? Maybe even make the tool...
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