Plugin doesn't acknowledge any commands
I've installed the Plugin correctly, and when I input the command incorrectly, it tells me the correct useage of the command, but upon using even the example command of "/stack ammo.rocket.hv 64" it does nothing. No changes whatsoever. I've also attempted to go into the Config of the Plugin itself to change, and nothing has changed.
Hey,

Wondering if anyone can help. I am typing /stack and /stackall and inputting the amount but nothing is working or prompting me that it worked. I want to make my server stack 2500 so I did "/stackall 2500" and nothing happens. Doesnt even say a prompt as in yes or no. 

Any help would be awesome. 
Do you have any errors in console (specifically red ones)?