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[Youri5]

I have maked this, if you do /xp your xp will go down by 1..., but why is this not working? and if i install the plugin, there also in no config file.., or any thing.., (only the .jar file).., is that correct? can u please help me? (https://www.dropbox.com/s/5a39pal9wy4553r/iasgu%20issua.png?dl=0)