I have adjusted my config as a 100x server and checked it using a Json validator all ok but i receive this Error when it loads
https://gyazo.com/a0e7226a4795b08f0bafd94ae57b37fb

Well does the Config do nothing anymore can someone help?

how exactly did u set your server to 100x ?
all u have to do with this plugin is /stackall number or edit the config file to increase the stacks

Did u type /stackall 100 and thats how you got the error ?