I get SEVERE: Could not load plugins/Tombstone.jar in plugins: null org.bukkit.plugin.InvalidPluginException at...
Are the blocks on heads subject to breaking, or being interacted with? (LOL A MOVING WORKBENCH)
It seems you need to recompile.
I believe the problem is with the minecart tracks is that there is extra data needed to place them and control which way they face. The data...
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