Change WordPress user roles and capabilities › Forums › Restrict or Permit access inside WordPress – how to › Login WordPress Dashboard › Reply To: Login WordPress Dashboard 05/03/2016 at 04:10 #2089 VladimirKeymaster Hi Jawad, This post describes how to use woocommerce_duplicate_product_capability filter. What settings did you make in “Admin Menu” for the “Vendor” role, for which PHP notices are generated? Please show a screenshot.