Variable group quantity doesn't works

Hi all,

 

I've tried the "variable group quanity" (I know, it's a premium feature but in app demo should works) but doesn't works!

App demo report: "Showcase app error: identification timeout occured"

 

Please see the attach screenshots:

 

how I define the rule

variable_qty_bc001.png

document preview

variable_qty_bc002.png

the validation test

variable_qty_bc003.png

 

Thank you in advance,

Filippo